[1] He was educated at St Cyprian's School, Eastbourne, where he was encouraged to ride on the South Downs,[2] and at Eton.
[3] He fought in World War II, as an officer in the Welsh Guards, rising to the rank of captain.
[4] In the Grand National the same year the 100-1 Davy Jones, he was leading at the 2nd to last fence when a buckle on the reins broke and the horse ran out.
From their friendship, which ended only with his death, was born a rider and an administrator of the highest class, the mighty Fairlawne training establishment and the introduction to chasing of its principal patron, H.M. Queen Elizabeth.
It was just a case of two friends with a common interest in trining and riding chasers and since Cazalet's family home offered the most convenient base, Mildmay moved un.
[5] In 1947, he fell at Folkestone Racecourse and injured his neck, which gave rise to a number of disabling attacks of cramp.
In the 1948 Grand National, he finished third on his favourite horse Cromwell, after an attack of the cramp meant he was just a passenger.
[7] His final winner was on his own good hunter chaser Prince Brownie at the now defunct Kent racecourse of Wye on Monday 8 May 1950.
At a dinner in Windsor Castle in 1949, Mildmay sat next to the Queen and persuaded her that he should buy her a horse, to share with her daughter, Princess Elizabeth.
He was commemorated in The Mildmay Course at Aintree Racecourse, which opened in memory of him, in 1953.Aintree Liverpool Grand National History .