sel dze lujvo

x₁ is a descendant with elder x₂ with ancestral bond x₃; x₁ is descendent of x₂.

In notes:

ginlazdze: x₁ is a genetic-familial/'blood' ancestor of x₂ by bond/tie/relation/of degree x₃.
ginlazyseldze: x₁ is a genetic-familial/'blood' descendant of x₂ by bond/tie/relation/of degree x₃.