“When lineage is traced through both families it is called:”

"Bilateral descent traces lineage through both maternal and paternal families ensuring equal recognition of heritage. In social welfare understanding bilateral descent informs policies respecting cultural kinship systems particularly in inheritance and family support programs. This structure promotes inclusivity recognizing diverse family ties in resource distribution. By acknowledging both lineages social welfare systems ensure equitable access to services fostering community cohesion and supporting cultural diversity in addressing societal needs and promoting family-based welfare."