The marriage between Lettice and Leicester was formally celebrated on Sunday 21 September 1578, at Leicester's Essex home of Wanstead Hall, almost two years to the date of death of her first husband. Leicester had consulted with his chaplain at Wanstead, Humphrey Tyndall, informing of his intent to marry Lettice in secret, as he felt that public knowledge of their marriage may cause "great damage to his estate", having not previously obtained the consent of the queen (Tallis,

Anne Seymour (born c.1538) was the eldest daughter of Edward Seymour, 1st Duke of Somerset, and his second wife Anne Stanhope.

After reading 'The House of Dudley' by Dr Joanne Paul (2022), which first introduced me to the one of the illustrations below, I was able to locate the full 'Codex' online. This manuscript documents the genealogy of Robert Dudley, 1st Earl of Leicester (1532-1588). It was written in c.1572, likely on his appointment as lieutenant of the Order of the Garter.