[1] Fulmerston married Alice, the daughter of 'Lonzam' of Suffolk and widow of Ipswich merchant and MP, Thomas Hayward, who had died in 1534.
St. George's Priory, a house of Benedictine nuns, and a dependency of Bury St Edmunds Abbey, was dissolved In 1537 and the buildings and land were granted to Fulmerston.
He purchased the Blackfriars Friary, dissolved in 1538;[1] and leased the Priory of St. Mary, formerly of Benedictine monks affiliated with Cluny Abbey, from Norfolk.
He also purchased the chantry of the College of Saint John the Evangelist of Rushworth, which at dissolution in 1541 had been granted to Henry Howard, Earl of Surrey.
Fulmerston was a Member (MP) of the Parliament of England for Southwark in 1547, for Great Bedwyn in October 1553, April 1554 and November 1554, for Horsham in 1558, for New Shoreham in 1559 and for Thetford in 1563.