Peter II le Brus
Peter II was born in Skelton, Yorkshire, England.  Peter II is no longer alive.

 Helwise FitzGilbert de Lancaster
Helwise FitzGilbert was born before 1221.

 Agnes le Brus
Agnes was born before 1247.  She died in 1280.

 Margaret le Brus
Margaret was born before 1247.

 Peter III le Brus
Peter III was born before 1247.  He died in 1272.

 Lucy le Brus of Skelton
Lucy le Brus of was born before 1247.