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Pidyon haben

Pidyon haben is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Pidyon haben rather than just read about it. In short: The pidyon haben (Hebrew: פדיון הבן), or redemption of the first-born son, is a mitzvah in Judaism whereby a Jewish firstborn son is "redeemed" with money. "Redemption" is achieved by paying five silver coins to a Kohen, a descendant of the priestly family of Aaron, on behalf of the firstborn son. Alternatively, an object of equal value can be used.

Pidyon haben — main illustration
Pidyon haben — illustration

Key takeaways

  • Pidyon haben belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Pidyon haben to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Pidyon haben from memory before moving on to harder problems.

Reference excerpt

The pidyon haben (Hebrew: פדיון הבן), or redemption of the first-born son, is a mitzvah in Judaism whereby a Jewish firstborn son is "redeemed" with money. "Redemption" is achieved by paying five silver coins to a Kohen, a descendant of the priestly family of Aaron, on behalf of the firstborn son. Alternatively, an object of equal value can be used. Pidyon haben is a relatively uncommon ceremony. Families do not perform it if the firstborn is a girl, born by caesarian section, preceded by a miscarriage (though some early miscarriages are not considered miscarriages), or if either grandfather is a Kohen or a Levite.

Origin

In the Hebrew Bible the laws (see mitzvah) concerning the redemption of the first-born male are referred to in Exodus, Numbers and Leviticus:

You shall set apart for יהוה every first issue of the womb: every male firstling that your cattle drop shall be יהוה’s. But every firstling ass you shall redeem with a sheep; if you do not redeem it, you must break its neck. And you must redeem every male first-born among your children. And when, in time to come, a child of yours asks you, saying, "What does this mean?" you shall reply, "It was with a mighty hand that יהוה brought us out from Egypt, the house of bondage. When Pharaoh stubbornly refused to let us go, יהוה slew every [male] first-born in the land of Egypt, the firstborn of both human and beast. Therefore I sacrifice to יהוה every first male issue of the womb, but redeem every male first-born among my children."

The redemption price for firstborn non-Levites was set at 5 shekels:

The first [male] issue of the womb of every being, human or beast, that is offered to יהוה, shall be yours; but you shall have the male first-born of human beings redeemed, and you shall also have the firstling of impure animals redeemed. Take as their redemption price, from the age of one month up, the money equivalent of five shekels by the sanctuary weight, which is twenty gerahs. The arakhin laws set the redemption price of different classes of people whose "value" was consecrated; the price for a male child under five years is similarly five shekels. The Torah describes the tribe of Levi (to which the priests belong) as having inherited the role of divine service which previously belonged to the firstborns:

I hereby take the Levites from among the Israelites in place of all the male first-born, the first issue of the womb among the Israelites: the Levites shall be Mine. For every male first-born is Mine: at the time that I smote every [male] first-born in the land of Egypt, I consecrated every male first-born in Israel, human and beast, to Myself, to be Mine, יהוה’s. According to the traditional rabbinic interpretation, even before the Exodus the priestly duties were reserved for the oldest son in each family. The priesthood was given specifically to the kohanim (Aaron and his descendants), and at the same time, it was instituted that the firstborn should be redeemed. The replacement of firstborns with Levites occurred following the golden calf episode; during that episode the Levites remained loyal to God.

Laws The Shulchan Aruch states that when a Jewish woman gives birth to a firstborn male by natural means (i.e. a boy born vaginally and not by Caesarean section) then the child must be "redeemed". The father of the child must "redeem" the child from a known kohen representing the original Temple priesthood, for the sum of five silver shekels, or equivalent in another nation's currency (if it has silver currency of the correct weight). This redemption ceremony is performed when at least thirty days have passed since the child's birth. If the 31st day falls on Shabbat or a festival, the redemption is delayed, because any sort of business transaction is not allowed on those days. The elapsed days are counted from sunset to sunset, and the day of birth counts as the first day. While the redemption could be performed immediately after dark on the 31st night, it is usually done the next day; but if the 31st day is a fast day, it is done the previous night, so that it can be accompanied by a festive meal. It is also possible to hold the ceremony on the 30th day itself, if it will be impossible to perform it the next day, so long as at least one synodic month has passed since the moment of birth. If a first-born son reaches bar mitzvah age without having been redeemed, he is responsible for arranging the mitzvah himself as soon as possible.

Exemptions Redemption is required for "the first to exit the womb" (Exodus 13:2) so it is not performed if a daughter is born first. If a woman gives birth to a second son vaginally when the first son was born by caesarean section, that child is not redeemed either. Also, a first-born male does not require redemption if his birth was preceded by an earlier miscarriage by the mother that occurred after the third month of pregnancy. However, if the miscarriage occurred during the first 40 days of pregnancy, redemption is required. If the previous miscarriage occurred after forty days, but before the fetus developed distinguishing characteristics, redemption of the first-born is still required, but the blessing said by the father is omitted. The procedure does not apply when the father is a kohen or Levite, and does not normally apply when the mother is the daughter of one. The reason is that the Levites, as substitutes for the first-born, are pledged to minister and assist the kohanim in divine service, and cannot be redeemed from this service obligation. The first-born son from a Levite's daughter is not redeemed (whether or not the father is Jewish). Similarly, the first-born son of a kohen's daughter, as long as the father is Jewish.

Bat Kohen Some sources state that a bat kohen (daughter of a priest) may accept pidyon haben money, just as a priest may, but this option is not accepted in practice.

Ceremony

… excerpt ends here. Continue reading the full article.

Illustrations

Pidyon haben illustration
Pidyon haben illustration
Pidyon haben: The silver tray, the silver coins and the glass for the wine
The silver tray, the silver coins and the glass for the wine
Pidyon haben: Redemption of the First-born (1724), from Juedisches Ceremoniel
Redemption of the First-born (1724), from Juedisches Ceremoniel
Pidyon haben: Pidyon haben coin from Israel, 1974. In the collection of the Jewish Museum of Switzerland. Such coins are offered in sets of 5 by the Bank of Israel.
Pidyon haben coin from Israel, 1974. In the collection of the Jewish Museum of Switzerland. Such coins are offered in sets of 5 by the Bank of Israel.

Worked examples

Example 1 — a first encounter with Pidyon haben

Start with the simplest possible case. Write down what Pidyon haben claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Pidyon haben before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Pidyon haben ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Pidyon haben

In research
Pidyon haben appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Pidyon haben in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Pidyon haben is common in secondary-school and first-year university syllabi. It links to neighbouring topics Birth in Judaism, Hebrew words and phrases in Jewish law, Hebrew words and phrases in the Hebrew Bible, so understanding it makes those chapters shorter.
In everyday life
Look for Pidyon haben outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Pidyon haben in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Pidyon haben means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Pidyon haben out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Pidyon haben in simple terms?

The pidyon haben (Hebrew: פדיון הבן), or redemption of the first-born son, is a mitzvah in Judaism whereby a Jewish firstborn son is "redeemed" with money. "Redemption" is achieved by paying five silver coins to a Kohen, a descendant of the priestly family of Aaron, on behalf of the firstborn son…

Why does Pidyon haben matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Pidyon haben?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Pidyon haben.

Tags

  • Birth in Judaism
  • Hebrew words and phrases in Jewish law
  • Hebrew words and phrases in the Hebrew Bible
  • Jewish life cycle
  • Judaism and children
  • Positive Mitzvoth
  • Shekel

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