PIETROW - Marie C., of Islip, LI on March 25, 2020. Beloved wife of the late Arthur N. Pietrow. Devoted mother of Suzanne (Tony) Montalbano, Ellen M. (Bobby) Poole and Linda (Jeff) Makofske. Cherished grandmother of Keith (Carrie), Gina (Steven), Scott (Eileen), Aleese (Larry), Debbie (Eric) and Danny (Kim). Proud great grandmother of Nicholas, Mackenzie, Jack, Ava, Liam, Ashley, Haylee, Holly and Nora. Funeral arrangements entrusted to The Fredrick J. Chapey & Sons East Islip Funeral Home.