William Petty-Fitzmaurice
William was born on May 2nd, 1737 in Dublin, Ireland.  He died at the age of 68 on May 7th, 1805 in Shelburne House, Berkeley Square, London, England.  He was buried in High Wycombe.

 Louisa Fitzpatrick
Louisa was born in 1755.  She died at the age of 34 on August 7th, 1789 in Shelburne House, Berkeley Square, London, England.

 Henry Petty-Fitzmaurice
Henry was born on July 2nd, 1780 in Shelburne House, Berkeley Square, London, England.  He died at the age of 82 on January 31st, 1863 in Bowood.