So that is the Charter, as read today, but who was William Cockayne, whose name was originally on the Charter now descended to Zandra Powell.
William was born in 1561, the 2nd son of William and Elizabeth Cockayne. Allthough originating from Warwickshire, his father was a merchant in London and sometime governor of the Eastland Company. In 1592William was apprenticed to his father, and succeeded to his business in 1599.
In 1609 William was the sheriff of London and alderman of Farringdon Without 1609-13, of Castle Baynard 1613-18, of Lime Street 1618-25 and of Broad Street 1625 until his death in 1626.
In 1612, when the plantation of Ulster began, he was the first governor, and it was under his direction that the city of Londonderry was established.
On the 8th June 1616, whilst having dinner at William's house in Broad Street, King James the 1st dubbed him a knight.
The years 1619-1620 saw Williamserve as the Mayor of London.
In his later life, he helped to equip William Baffin on one of his northern voyages, and in his honour, a harbour in Greenland was named "Cockin's Sound".
William and his wife Mary had many children, the son Charles was the 1st Viscount Cullen. Of his many daughters ( at least 8 ), Martha married 1st Earl of Holderness, Abigail married 2nd Earl of Dover, Mary married 2nd Earl of Nottingham and others married Viscount Fanshawe, Sir Hatton Fermor and the Honourable James Sheffield, son of the Earl of Mulgrave.
Besides the estate at Rushton, William also had estates at Comb Nevill in Surrey and Elmesthorpe in Leicestershire.
Upon his death at the age of 66, William was buried in St Paul's Cathedral, where a monument was erected to his honour.