Complex sentence: Phelps-Roper is married to Brent D. Roper and they have 11 children, 3 of them (Joshua, Megan, and Grace) have left the church and family.
Split into simpler sentences: Phelps-Roper is married to Brent D. Roper and they have 11 children. Three of them, Joshua, Megan, and Grace, have left the church and family.