I have done considerable research on the Lavelys both in Pennsylvania and in Maryland.Although I do not have any proof, I believe that Philip Sr. is the father of John. I base this on tax records in Westmoreland Co. and on census records. As far as I can tell Philip, who lived in Westmoreland Co.,was the only Lavely in that part of Pennsylvania. John Lavely,a single man, shows up in the Franklin Twp. 1815 tax records. Philip Sr. and Philip Jr. are also shown in 1815. Also Philip and John were born in Maryland according to census records. I am descended from Philip Jr.