Complex sentence: Winton sends young James on a train to Fairmount, Indiana, along with the coffin containing Mildred's body; he does not show up at the funeral, and leaves James to be raised by his aunt and uncle on a farm in Fairmount.
Split into simpler sentences: Winton sends young James on a train to Fairmount, Indiana, along with the coffin containing Mildred's body. Winton completely abandons the young child and does not show up to the funeral, leaving James to be raised by his aunt and uncle on a farm in Fairmount.