I've heard that when it comes to naming their first born sons, Japanese
parents often use the kanji for "one", "一" like "一郎" for example, as their
given names, and for second or third sons the kanji for two and three may be
used respectively.

However, is it strange to come across names where " 一 " Is used in one's given
name even if they aren't the first born son? I ask this because I'm reading a
Japanese light novel where the character's name is 一温 and not much is known
about his siblings but it seems as if he might have an older brother.
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2017-09-08T01:56:25.733
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2017-09-08T10:59:47.307
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question
names
A question about Japanese names with " 一 " kanji
一, 二, 三 are used for the part of boy's given name, and they are few to be used
for girls. Although they are not decided to use them in order of birth,
generally they are used in order of birth. For example, if 三 is used for the
eldest brother in the family as part of the name, and a brother born later is
given 一 in its name, they would be asked the reason sometimes in various
occasions for the rest of their life, which is easily understood to be very
annoying for them. Therefore it is not clever to force such an exception.  
By the way, examples such as
"[加藤一二三](https://ja.wikipedia.org/wiki/%E5%8A%A0%E8%97%A4%E4%B8%80%E4%BA%8C%E4%B8%89)
_Hifumi Kato_ ", a master of Japanese Shōgi also known as Japanese chess
world, and "山本五十六 _[Isoroku
Yamamoto](https://en.wikipedia.org/wiki/Isoroku_Yamamoto)_ ", a Japanese
Marshal Admiral of the Navy and the commander-in-chief of the Combined Fleet
during World War II until his death, have nothing to do with the oder of their
birth. As for "五十六 lit. _fifty-six_ in 山本五十六 is the age of his father when he
was born.
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2017-09-08T10:59:47.307
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answer