William I de Montacute , Earl of Salisbury 1st
William I was born in 1302 in Cassington, Oxfordshire, England.

 Katherine de Grandeson
Katherine was born in 1304 in Ashford, Hertfordshire, England.  She died at the age of 45 on November 26th, 1349 in Bisham, Berkshire, England.

 John de Montague , Sir
John was born in 1325 in St. Paul, London, England.  He died in Salisbury, Wiltshire, England.

 William II Montague , Earl\Salisbury 2, King\Man
William II was born in 1328.  He died at the age of 69 on June 3rd, 1397.

 Philippa de Montague
Philippa was born in 1332 in Salisbury, Wiltshire, England.  She died in Bisham, Berkshire, England.

 Sibyl de Montague
Sibyl was born in 1334 in Donyatt, Somersetshire, England.