Complex sentence: Stump announced in September 2014 on KIIS-FM radio he and his wife were expecting their first child in late October, and on October 13,2014, they welcomed their first child, Declan.
Split into simpler sentences: Stump announced in September 2014 on KIIS-FM radio he and his wife were expecting their first child. On October 13,2014, they welcomed their first child, Declan.