1)niece:Adaughterofone'sbrotherorsister,orofone'sbrother-in-laworsister-in-law.
2)nephew:asonofone'sbrotherorsisterorofthebrotherorsisterofone'sspouse.
3)cousin:arelativewithwhomapersonsharesoneormorecommonancestor(s)(otherthanaparent,child/descendant,sibling,child/descendantofasibling,orsiblingofaparent/ancestor).
4)sibling:oneoftwoormoreindividualshavingoneorbothparentsincommon
5)Aparentinlaw:apersonwhohasalegalaffinitywithanotherbybeingtheparentoftheother'sspouse
6)aunt:apersonwhoisthesisterorsister-in-lawofaparent.