agnate
(ˈæɡneɪt) adjective 1 related by descent from a common male ancestor
2 related in any way; cognate
▷ noun 3 a male or female descendant by male links from a common male ancestor
[C16: from Latin agnātus born in addition, added by birth, from agnāsci, from ad- in addition + gnāsci to be born]
> agnatic (æɡˈnætɪk) or agnatical (æɡˈnætɪkəl) adjective
> agˈnation noun