systrungr
nafnorðkarlkyn
m. one’s mother’s sister’s son, a male cousin (Dan. moster sön), Landn. 107, 178; s. við konung, the king’s cousin, Gþl. 54; Johannes euangelista, systrungr hans (i. e. Jesus) at frændsemi, Barl. 49; bræðrungar ok systrungar, brother’s sons and sister’s sons, first cousins on the mother’s and father’s side, Grág. i. 171; munu systrungar sifjum spilla, Vsp. (or is systrungar here the plur. fem. from systrung?); systrungs barn, a sister’s son’s child, a cousin’s child, Gþl. 244.