Before 09 Aug 1795 [his father] Charles Sturt of Crichel and Brownsea Castle (age 32) and [his mother] Mary Anne Ashley Cooper were married. She the daughter of Anthony Ashley-Cooper 4th Earl Shaftesbury and Mary Bouverie Countess Shaftesbury (age 64).

On 20 Aug 1816 John Perceval (age 23) and [his future sister-in-law] Elizabeth Anne Brudenell (age 21) were married. She the daughter of Robert Brudenell 6th Earl Cardigan (age 47) and Penelope Cooke Countess Cardigan (age 46).

On 15 Aug 1820 Henry Charles Sturt (age 25) and Charlotte Penelope Brudenell were married. She the daughter of Robert Brudenell 6th Earl Cardigan (age 51) and Penelope Cooke Countess Cardigan (age 50).

On 16 Mar 1824 William Brodrick (age 25) and [his sister-in-law] Elizabeth Anne Brudenell (age 29) were married. She died eight months later. She the daughter of Robert Brudenell 6th Earl Cardigan (age 54) and Penelope Cooke Countess Cardigan (age 54).

Before 26 Jun 1829 Henry Bingham-Baring (age 25) and [his sister-in-law] Augusta Brudenell were married. She the daughter of Robert Brudenell 6th Earl Cardigan (age 60) and Penelope Cooke Countess Cardigan.

In 1848 [his son-in-law] Thomas Baring 1st Earl Northbrook (age 21) and [his daughter] Elizabeth Sturt Baroness Northbrook were married.

On 10 Sep 1853 [his son] Henry Gerard Sturt 1st Baron Alington (age 28) and [his daughter-in-law] Augusta Bingham Baroness Alington (age 21) were married. She the daughter of George Charles Bingham 3rd Earl Lucan (age 53) and Anne Brudenell Countess Lucan (age 44). They were first cousins.

On 06 Jul 1865 [his son-in-law] St George Gerald Foley (age 50) and [his daughter] Augusta Selina Sturt were married. He a great x 4 grandson of King Charles II of England Scotland and Ireland.