About Margaret Cockburn (Spottiswoode)
The Cockburns of that ilk and Rysland, also in Berwickshire, are a branch of the same family, their immediate ancestor being Sir William Cockburn, of Langton, knight, who fell at the battle of Flodden Field, 9th September, 1513. By his wife, Anna Home, daughter of Lord Home, he had three sons, namely, Alexander, who was killed fighting by his side at Flodden; John, and Christopher. John, the elder of these two, was succeeded by his eldest son, Alexander Cockburn, to whom succeeded his eldest son, William Cockburn, designed of Cockburn and Rysland. He married Margaret daughter of John Spottiswood of that ilk, in the same county, and his only son, John Cockburn of Cockburn and Rysland, was created a baronet of Nova Scotia in 1628. Ho married Mary, daughter of William Scott of Harden, Roxburghshire, and had three sons. The eldest, Sir James, second baronet, married Jane, daughter of Alexander Swinton of S win ton, Berwickshire. His only son, Sir William, third baronet, was succeeded by his eldest son Sir James, fourth baronet. His second son, William Cockburn, was physician-general to the forces under the great duke of Marlborough. The fourth baronet died without issue, when the title devolved upon his kinsman, Sir William Cockburn, great-grandson of Dr. William Cockburn, who had been succeeded by his second son, Dr. James Cockburn. This latter had two sons, William Cockburn, doctor in divinity, vicar-general and archdeacon of Ossory in Ireland; and James Cockburn, a colonel in the army and quarter-master, who was father of Sir William the fifth baronet, by Letitia Little, heiress of the ancient houses of Rossiter and Devereux in Ireland. Sir William was a li cute nan t-general in the army. He married, 1st January 1791. Elizabeth Anne, daughter of Colonel Frederick Creutzer, of Manheim in Germany, an officer in the royal horeeguards, and descended, through her mother, the grand daughter of Elizabeth Brydges, sister of the first duke of Chandos, from the royal house of Plantagenet. He died in March, 1835, leaving a son and a daughter. The son, Sir William Sarsfield Rossiter Cockburn, M.A., is the sixth baronet. By his wife, Anne, eldest daughter of the Rev. Francis Coke of I^ower Moor, Herefordshire, he has several children. His eldest son, Devereux Plantagenet Cockburn, was born in 1828.