Sir William  I de Ros
Sir William  I was born in 1196.  He died at the age of 68 in 1264.

 Lucia (Lucy) Fitz Piers
Lucia (Lucy) was born in 1192.  Lucia (Lucy) is no longer alive.

 Sir Robert  IV de Ros
Sir Robert  IV was born in 1223 in Hamlake, York, Eng, .  He died at the age of 62 on May 15th, 1285 in Kirkham, York,  Eng.

 William  II de Ros