Jane Radcliffe was the daughter of Robert Radcliffe, 1st Earl of Sussex, by his second wife, Margaret Stanley, daughter[1] of Thomas Stanley, 2nd Earl of Derby, and Anne Hastings, the daughter of Edward Hastings, 2nd Baron Hastings.

Jane Radcliffe married Anthony Browne, 1st Viscount Montague (d. 19 October 1592), the oldest son of Sir Anthony Browne and his first wife, Alice Gage.

Jane Radcliffe Browne was not styled Viscountess Montague in life, as Anthony Browne was not created 1st Viscount Montague until September 1554,[4] over two years after her death.

Jane and Anthony Browne had 2 children, twins, a boy and a girl, born 22 July 1552:[5] Unfortunately, Jane died in childbed while giving birth to the twins.

[7] After Jane's death, Anthony Browne remarried to Magdalen Dacre (d. 8 April 1608), daughter of William Dacre, 4th Baron Dacre of Gilsland, by Elizabeth Talbot, daughter of George Talbot, 4th Earl of Shrewsbury.