This officer obtained the commission of Cornet in _the Queen Dowager's_ Regiment of Horse, commanded by George Viscount Hewyt (now Sixth Dragoon Guards) in 1689, and served at the battle of the Boyne under King William III. On the 5th of May, 1690, he was engaged in a gallant affair with the enemy near Castle Cuff, and was wounded.[26] He also served at the battle of Aghrim, and siege of Limerick; and in 1693 at the hard-contested battle of Landen. After the peace of Ryswick he entered the corps of Life Guards, and rose to the rank of Lieutenant-Colonel of the Second Troop (now Second Regiment), commanded by the Duke of Ormond. On the 29th of May, 1706, he obtained the rank of Colonel in the army, and on the 12th of February, 1711, that of Brigadier-General. After the Duke of Ormond was promoted to the elevated station of Captain-General of the Forces, Brigadier-General Jocelyn obtained the Colonelcy of the FIFTH HORSE; and when his Grace was removed from the command of the army by King George I., this officer obtained permission to dispose of his appointment: he died on the 9th of November, 1727. SHERRINGTON DAVENPORT. _Appointed 9th February, 1715._ SHERRINGTON DAVENPORT was appointed Adjutant of the Queen Dowager's Regiment of Horse in 1687; and after serving at the battles of the Boyne and Aghrim, and at both sieges of Limerick, in Ireland; and at the battle of Landen, and covering the siege of Namur in the Netherlands, he was promoted to the Majority of the regiment on the 13th of August, 1696. He subsequently obtained a commission in the First Troop (now First Regiment) of Life Guards, in which corps he obtained the rank of Lieutenant-Colonel. He was appointed Brigadier-General in 1707, and Major-General in 1710; and being firmly devoted to the protestant interest, he was permitted, soon after the arrival of King George I. from Hanover, to purchase the Colonelcy of the FIFTH HORSE, which he retained until his decease on the 2nd of July, 1719. OWEN WYNNE. _Appointed 6th July, 1719._