lineal -
in a straight unbroken line of descent from parent to child; "lineal ancestors"; "lineal heirs"; "a direct descendant of the king"; "direct heredity"
collateral,
indirect descended from a common ancestor but through different lines; "cousins are collateral relatives"; "an indirect descendant of the Stuarts"
related connected by kinship, common origin, or marriage
matrilineal,
matrilinear based on or tracing descent through the female line; "matrilineal inheritance"
patrilineal,
patrilinear based on or tracing descent through the male line; "a patrilineal society"
lineal -
arranged in a line
one-dimensional,
linear of or in or along or relating to a line; involving a single dimension; "a linear measurement"
= synonym
= antonym
= relatert ord
Wiktionary
Adjektiv
lineal -
Of a family relationship that includes mothers, fathers, sisters, brothers, daughters, and sons, etc. as opposed to collateral.