kinswoman
/ˈkɪnz.wʊ.mən/Definitions
1. noun
A woman related by birth or marriage to one’s family, especially a female cousin or aunt.
“Her kinswoman came to visit from out of town.”
2. noun
A female relative, especially one who is a member of the same clan or tribe.
“The tribe’s kinswoman was respected for her knowledge of ancient traditions.”