Per the above document from the Archives of the Archdiocese of Philadelphia dated 5 March 1987, the Reverend John B. DeMayo researched the archives and discovered that Peter Isaac CHAMPENOIS and Mary BUSH had three children as follows:

Maria Louisa Elizabeth CHAMPENOIS
Birth: 2 March 1812
Baptized: 2 November 1817 St. Augustine Church

Maria Adelaida CHAMPENOIS
Birth: 22 March 1814
Baptized: 2 November 1817 St. Augustine Church

Sponsors for the above baptisms were: Mario Ludovicus, John Gandrase, Maria Ludovica Merel and Maria Adelaida Ama? (Other sponsors are listed but are illegible).

Stephen Charles CHAMPENOIS
Birth: 17 July 1816
Baptized: 2 November 1817 St. Augustine Church

Sponsors for Stephen Charles CHAMPENOIS' baptism were Charles CORADE and Frances Elizabeth SERRAI.