Family: Bengt FOLKESSON / Ulfhild BJORNSDOTTER (F1977)
Folke FOLKUNGA (1078-1133) 
|
| Bengt FOLKESSON (1098-1200)
|
Ulfhild BJORNSDOTTER (1102-1177) |
| Birger Brosa BENGTSSON (1134-1202) |
| Karl Dertaube BENGTSSON (1139-1220) |
Magnus Bengtsson FOLKUNGA (1150-1208)  |