The List family from Vågå

I am looking for the sources to 1. Pål Kolbeinsson was born 1212 in Stadur, Reynistaourklaustur, Skagafjarddar, Iceland. 2. Torsten Pålsson was born about 1230 3. Pål Torstensson List was born about 1250 It is said that Pål Kolbeinsson died in 1282 in Vågå. This family took the name List in Norway. This family also have ties to Kleppe family through marriage. Thanks