3 in notes

spebu'a lujvo

x₁ is a brother-in-law (brother of a spouse) of x₂ according to custom/law x₃.

x₁ is a brother of a spouse of x₂. For "spouse of sibling" use "tubyspe", "bunspe" (brother's spouse), "me'ispe" (sister's spouse)' for other "sibling of spouse" use "speme'i" (sister of spouse) or "spetunba" (sibling of spouse); for "sibling of one's sibling's spouse" use tubyspetunba vel sim. See also: spelanzu.

• jbovlaste

In notes:

bunspe

s₁ is a brother's spouse of m₂ under law/custom/tradition/system/convention sp₃.

speme'i

x₁ is a sister-in-law (sister of a spouse) of x₂ according to custom/law x₃.

spetunba

x₁ is a sibling-in-law (sibling of a spouse) of x₂ according to custom/law x₃.