mamspe lujvo

x1 is a step-parent via the mother of x2 due to marriage with the latter's mother according to law/custom x3, where said motherhood is not necessarily biological.

x1 does not necessarily raise x2 (for such a purpose, append "rirni" vel sim. as a tertau). The gender of x1 is not specified. See also: "pa'uspe", rirspe, spemamta.


In notes:

pa'uspe
x1 is a step-parent via the father of x2 due to marriage with the latter's father according to law/custom x3, where said fatherhood is not necessarily biological.
rirspe
x1 is the step-parent/step-mother/step-father of x2 due to marriage with their parent according to law/custom x3.