The Heidelberg Catechism, a reformational confession, was written in 1563. It elaborations on four blocks of material: the Apostles' Creed, Word and Sacraments, the Ten Commandments, and the Lord's Prayer. This hymn is based on Lord's Days 9 & 10 which treat the first article of the Apostles' Creed.
"I Believe in God the Father" by George vP
