Your sister is your son's aunt. Your sister's daughter is your sons first cousin. Your sister's daughter's son (your sister's grandson) is your son's first cousin, once removed.
Grand-Nephew
Your sister's son is your nephew His sons are your grandnephews, and his daughters are your grandnieces.
your second nephew
Charles Drew had 3 sisters, a wife, 3 daughters, and a son.
Your sister's son is your nephew His sons are your grandnephews, and his daughters are your grandnieces.
Charles Drew had 3 sisters, a wife, 3 daughters, and a son.
No, because my father's sister (my aunt) does not have any sons, she only had daughters.
Charles Drew had 3 sisters, a brother, a wife, 3 daughters, and a son.
Charles Drew had 3 sisters, a brother, a wife, 3 daughters, and a son.
Charles Drew had 1 brother and 3 sisters, a wife, 3 daughters, and a son.
Charles Drew had 1 brother and 3 sisters, a wife, 3 daughters, and a son.
Yes, because your daughters are sisters and since their husbands are your son in law's that would make them brother in laws.PS. I hope your daughters are veryhappy, congrats!! :) ,,Chameleon5,