Ivar Kolbeinsson Rossum
Ivar Kolbeinsson was born in 1350 in Harildstad, Fron, Norway.  He died at the age of 44 in 1394 in Rossum, Kvam, Norway.

 Ivarsdatter Rossum
Ivarsdatter was born about 1380.  She died after 1405.

 Amund Ivarsson Rossum