Is Chaturthi Shradh related to Ganesh Chaturthi?

They share the same sacred tithi (the fourth lunar day), and Lord Ganesha is invoked at the beginning of Chaturthi Shradh. However, Ganesh Chaturthi (in Bhadrapada Shukla Paksha) is a celebration of Ganesha’s birth, while Chaturthi Shradh (in Ashwina Krishna Paksha during Pitrupaksha) is an ancestral rite. The connection is the tithi’s association with Ganesha’s energy — which includes obstacle removal, a quality that benefits ancestral rites.