DELTA TOWNSHIP, Mich. (AP) — A 3-year-old boy shot by his father has died, a third death in a murder-suicide in Eaton County, authorities said Thursday.

Anson Zwick died Wednesday night. He and a 5-year-old sister, Vivian Zwick, were shot Tuesday at their home in Delta Township, about six miles west of Lansing.

READ MORE: "He's The Father To Thousands", Community Mourns Retired Detroit Teacher

“Preliminary investigation reveals that their father, Joseph Lechleitner, shot both children then took his own life. Lechleitner lived in the Shingleton area of the Upper Peninsula,” the county sheriff’s office said.

Neighbors told the Lansing State Journal that the children lived with their mother and that Lechleitner visited about once a month.

READ MORE: Gift Of Life Michigan Celebrates 50 Years Of Saving, Transforming Lives Through Organ & Tissue Donations

Karlie Carter said she saw the children in a wagon Sunday on the way to a park with their parents.

Anyone with additional information is encouraged to call (517) 323-8492.

MORE NEWS: 2 Metro Detroiters Charged With Stealing $4M In Unemployment Benefits

© 2021 Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.