Complex sentence: He was married to wife, Patti Morton, father to four sons, Jason, Ryan, Logan and Chase, one step-daughter, Amy Richardson, and grandfather to Amy's son Grant.
Split into simpler sentences: He was married to wife, Patti Morton, father to four sons, Jason, Ryan, Logan and Chase. Nathan also accepted into the family, daughter of Patti from previous marriage, Amy Richardson, and was seen as grandfather to Amy's son Grant.