Hi Steffi, I am also from the line of Lord William Manners, according to the Lincs Fam Res Lord William had 3 children, John was an illegitimate son by Corbetta Smith.He married Louisa Tollemashe and had a son William + others. The second son was Thomas but I have no information of his mother. The other son listed is unknown. I descend from the Thomas line. I visited the church at Silk willoughby today and I think some of your family may be there, Thomas was the vicar of Silk Will' Let me know some names and I can check. Please let me know anything on any other children, of the Lord William 2nd son of the 2nd Duke John Manners and also the mother of Thomas. contact if you need any help.