Agnatic

adj. related through the male side of the family (Anthropology)

Agnatic (or patrilineal) descent is established by tracing descent exclusively through males from a founding male ancestor. In hereditary monarchies, particularly in more ancient times, seniority was a much-used principle of order of succession. Under agnatic seniority or patrilineal seniority, succession to the throne passes to the monarch's next-eldest brother (even if the monarch has his own sons), and then only to the monarch's children (the next generation) after males of the eldest generation have all been exhausted. Agnatic succession essentially excludes females of the dynasty and their descendants from the succession.
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Adjective
1. related on the father's side; "a paternal aunt"
(synonym) agnate, paternal
(similar) related

(a.)
Pertaining to descent by the male line of ancestors.
  

agnatic
xem agnate
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