consanguine
/ˌkɑnsæŋˈɡwaɪn, -ˈɡweɪn/Definitions
1. adjective
relating to or characteristic of kinship or family relationships
“She was drawn to her consanguine connections who shared her love for art.”
2. noun
a relative by blood, especially a first cousin
“At the family reunion, she met many of her consanguines for the first time.”
3. adverb
in a manner characteristic of kinship or family relationships
“They interacted with each other in a consanguine way, as if they were long-lost siblings.”