Career
He represented Norfolk in Parliament from 1741 to 1747 and Harwich from 1747 to his death. The family estate was at Holkham Hall, Norfolk. Their courtship had been strained, and in retaliation Edward left her alone on their wedding night and from then on virtually imprisoned her.
She reacted by refusing him his marital rights.
She never used the title Viscountess. Their families went to litigation, and eventually produced a settlement in 1750 whereby Lady Mary could live with her mother at Sudbrook but had to remain married to Edward until his death, which came in 1753, when Mary was 26.
They had no children.