The letters patent received the sign-manual of the King but in the confusion of the Civil War, it did not pass the Great Seal.
Sir William Brooke was heir to the barony of Cobham through his mother, but did not succeed as the peerages were under attainder.
The Boothbys left Broadlow Ash when the first Baronet purchased Ashbourne Hall from Sir Aston Cockayne in about 1671.
Evelyn Leonard Beridge Boothby (1876–1937), son of Colonel Basil Charles Boothby (who was seriously wounded at the Battle of Alma during the Crimean War and had to have his leg amputated), fourth son of Reverend Charles Boothby (who at a young age fought in the Battle of Talavera where he lost a leg and was taken prisoner by the French), third son of the seventh Baronet, was also a captain in the Royal Navy.
The heir presumptive is the present holder's kinsman: George William Boothby (born 1948).