Info Info Karen M Grenstiner Karen M Grenstiner, Saturday, January 08, 2022. Marysville Funeral Home - Marysville, MI Karen M Grenstiner Saturday, January 08, 2022Karen Marie (Hammling) Grenstiner passed away peacefully at her home in Marysville, Michigan on January 8, 2022 aft… Read More at Marysville Funeral Home — Marysville Tweet Tweet