An acronym is a word or name formed as an abbreviation from the initial components in a phrase or a word, usually individual letters (as in NATO or laser) and sometimes syllables (as in Benelux). There are no universal standards of the multiple names for such abbreviations and of their orthographic styling.
Son and daughter of your siblings and siblings-in-law. As with uncle and aunt, they're not your nieces and nephews by marriage, they're your nieces and nephews, plain and simple, even if they're your spouse's siblings' kids and don't have a single drop of blood in common with you.
What do you call your grandfather's cousin's son. The son of your grandfather's First Cousin is your parent's Second Cousin and your Second Cousin, once removed. The grandson of your grandfather's First Cousin is your parent' â¦ s Second Cousin, once removed, and your Third Cousin.