He was baptised one month later at the church of Saint Jacques-sur-Coudenberg in Brussels on 17 May, and named Philippe after his great-great-grandfather Prince Philippe, Count of Flanders.
Ia dibaptis sebulan kemudian di Gereja Santo Jacques-sur-Coudenberg, Brusel, pada tanggal 17 Mei, dan diberi nama Philippe, sesuai nama leluhurnya, Pangeran Philippe, Count dari Flanders.