Perhaps for "son" and "daughter" we could find and add stuff that are probably in our more specific articles (like first-birth right) but ironically not here... but I'm afraid the others may be doomed to a life on Wiktionary.
Perhaps for "son" and "daughter" we could find and add stuff that are probably in our more specific articles (like first-birth right) but ironically not here. For "cousin" we could grab some stuff about the legality and acceptance of cousin-relationships and put it in there but I'm afraid the others may be doomed to a life on Wiktionary.