Family words - Cousins

Hello everybody,

Can anyone please check over my translations of the following family members?

One's own…
Father – 父 （ちち）
Mother – 母 （はは）
Older brother – 兄 （あに）
Younger brother – 弟 （おとうと）
Older sister – 姉 （あね）
Younger sister – 妹 （いもうと）
Uncle – 伯父 （おじ）
Aunt – 伯母 （おば）
Grandfather – 祖父 （そふ）
Grandmother –祖母 （そば）
Son – 息子 （むすこ）
Daughter – 娘 （むすめ）
Nephew – 甥 （おい）
Niece – 姪 （めい）

Someone else's…
Father – お父さん （おとうさん）
Mother – お母さん （おかあさん）
Older brother – お兄さん （おにいさん）
Younger brother – 弟さん （おとうとさん）
Older sister – お姉さん （おねえさん）
Younger sister – 妹さん （いもうとさん）
Uncle – 伯父さん （おじさん）
Aunt – 伯母さん （おばさん）
Grandfather – おじいさん
Grandmother – おばあさん
Son – ????
Daughter – ????
Nephew – ????
Niece – ????

Question 1: Are there other words for a maternal/paternal aunt/uncle?
Question 2: If so, are there words that express the age of the aunt/uncle relative to your mom/dad? (Ex: Is there a different word for a maternal uncle who is younger than your mother?)

Could anyone please translate the following familial terms for me? Including for one's own family and also terms referring to another's…

Cousin (male)
Cousin (female)

Thank you so much!!!

Your basic understanding that family members of one's own and others are stated differently, although it really depends on the context.
To be more precise, even it is not your own, if you're talking about the person "on your side" to the 3rd party, you also call the family members of the person you're talking about in the same way you call your own.

Knave said:

Hello everybody,

Can anyone please check over my translations of the following family members?

One's own…
Father – 父 （ちち）
Mother – 母 （はは）
Older brother – 兄 （あに）
Younger brother – 弟 （おとうと）
Older sister – 姉 （あね）
Younger sister – 妹 （いもうと）
Uncle – 伯父 （おじ）
Aunt – 伯母 （おば）
Grandfather – 祖父 （そふ）
Grandmother –祖母 （そば）
Son – 息子 （むすこ）
Daughter – 娘 （むすめ）
Nephew – 甥 （おい）
Niece – 姪 （めい）

Someone else's…
Father – お父さん （おとうさん）
Mother – お母さん （おかあさん）
Older brother – お兄さん （おにいさん）
Younger brother – 弟さん （おとうとさん）
Older sister – お姉さん （おねえさん）
Younger sister – 妹さん （いもうとさん）
Uncle – 伯父さん （おじさん）
Aunt – 伯母さん （おばさん）
Grandfather – おじいさん
Grandmother – おばあさん
Son – ????
Daughter – ????
Nephew – ????
Niece – ????

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伯父・伯母 is used for uncle/aunt older than one's parent. (i.e. older brother/sister of one's parent).
叔父・叔母 is used for younger brother/sister of one's parent.

Knave said:

Someone else's…
Father – お父さん （おとうさん） お父様（おとうさま） 御尊父（ごそんぷ）
Mother – お母さん （おかあさん） お母様（おかあさま） 御母堂（ごぼどう）
Older brother – お兄さん （おにいさん） お兄様（おにいさま）
Younger brother – 弟さん （おとうとさん）
Older sister – お姉さん （おねえさん） お姉さま（おねえさま）
Younger sister – 妹さん （いもうとさん）
Uncle – 伯父さん （おじさん） 伯父様・叔父さま（おじさま）
Aunt – 伯母さん （おばさん） 伯母様・叔母様（おばさま）
Grandfather – おじいさん おじい様
Grandmother – おばあさん おばあさま
Son – 息子さん（むすこさん） 令息（れいそく）
Daughter – 娘さん（むすめさん）、お嬢さん（おじょうさん） 令嬢（れいじょう）
Nephew – 甥御さん（おいごさん）
Niece – 姪御さん（めいごさん）

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The above (those marked in red) are some examples I can think of now.
There can be more.

Knave said:

Question 1: Are there other words for a maternal/paternal aunt/uncle?
Question 2: If so, are there words that express the age of the aunt/uncle relative to your mom/dad? (Ex: Is there a different word for a maternal uncle who is younger than your mother?)

Could anyone please translate the following familial terms for me? Including for one's own family and also terms referring to another's…

Cousin (male)
Cousin (female)

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Q1.: No.
Q2.: You can say 父方（ちちかた）、母方（ははかた）.
e.g. 父方の叔父： uncle on father's side.


Cousin (male) 従兄 (older than you) 従弟 (younger than you)
Cousin (female) 従姉 (older than you) 従妹 (younger than you)
All the above four are pronounced いとこ.

Grandmother –祖母 （そぼ）

Knave said:

Son – ????
Daughter – ????
Nephew – ????
Niece – ????

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honorific
Son – 息子[むすこ]さん/御子息[ごしそく]
Daughter – 娘[むすめ]さん/お嬢[じょう]さん
Nephew – 甥御[おいご]さん
Niece – 姪御[めいご]さん

Knave said:

Question 1: Are there other words for a maternal/paternal aunt/uncle?

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No. If you have to differentiate them, 母方[ははかた]の伯父 or something like that would be used.

Knave said:

Question 2: If so, are there words that express the age of the aunt/uncle relative to your mom/dad? (Ex: Is there a different word for a maternal uncle who is younger than your mother?)

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father's/mother's elder brother: 伯父(おじ)
father's/mother's elder sister: 伯母(おば)
father's/mother's younger brother: 叔父(おじ)
father's/mother's younger sister: 叔母(おば)

Knave said:

Could anyone please translate the following familial terms for me? Including for one's own family and also terms referring to another's…
Cousin (male)
Cousin (female)

Click to expand...

Cousin (male): 従兄/従弟/従兄弟
Cousin (female): 従姉/従妹/従姉妹
(They are all read as いとこ.)

従兄/従姉 refers to someone's elder cousin, whereas 従弟/従妹 does to a younger one. There's no difference between father's and mother's cousin. 従兄弟/従姉妹 are used pluraly.
I would use いとこの方[かた] as the honorific.

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EDIT:
Ooops, sorry undrentide-san. Your work is so fast, as always.