Philip was the son of Thomas FitzJohn but his mother is unknown. The date and place of his birth have not been found.
His wife is not known. They were married, but the date and place have not been found. Their two known children were Thomas FitzPhilip (?-?) and Cathline FitzPhilip (?-?).
| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | knight of Glin 9° |