1988: baptism of prince Constantin de Nassau. Philippe is Constantin's godfather.
1999: baptism of prince Dinis de Bragança in Portugal. Philippe is Dinis's godfather.
2002: baptism of count Niccolo Secco d'Aragona in Paris, France.
2004: christening of princess Catharina-Amalia of Orange Nassau in The Hague, Holland.
2005: christening of princess Alexia of Orange Nassau in The Hague, Holland. Mathilde is Alexia's godmother.
2006: christening of prince Christian of Denmark in Copenhagen, Denmark.
2007: christening of princess Isabella of Denmark at Fredensborg, Denmark. Mathilde is Isabella's godmother.
2012: christening of princess Estelle of Sweden in Stockholm, Sweden.