Nigel De Plumpton
Nigel was born about 1155 in Plumpton, Warwickshire, England.

 Juliana De Warwick
Juliana was born about 1160 in Warwickshire, England.  Juliana is no longer alive.

 Robert De Plumpton
Robert was born about 1180 in Plumpton, Warwickshire, England.  He died in 1244.