Cover photo for Diane Sophie Ostaszewski's Obituary
Diane Sophie Ostaszewski Profile Photo
1948 Diane 2023

Diane Sophie Ostaszewski

January 25, 1948 — May 31, 2023

Diane Sophie Ostaszewski (nee Niewiarowski), 75, passed away on May 31, 2023, in Chicago, IL.
Diane was born on January 25, 1948, in Drochczyn, Poland to Edmund and Irena Niewiarowski (nee Kosinski). Family was everything to Diane. She was a devoted mother to her children, Mark Ostaszewski, Deanna (Ron) Tripp, and Paul (Patrycja) Ostaszewski, and a loving grandmother to her grandchildren, Michael Ostaszewski, Alexandra Tripp, Tyler Tripp, Nicole Ostaszewski, Samantha Tripp, Ashley Ostaszewski, Mila Ostaszewski and Stella Ostaszewski and great-grandmother to Sophia Tripp and Elijah Skalla. Diane was always there for her family, going above and beyond to make sure they were taken care of. She was a steady influence in their lives and will be deeply missed. Diane is survived by her brothers, Zbigniew (Mary) and Ignaci (Janina) Niewiarowski and preceded in death by her parents, father-in-law Walter Ostaszewski, mother-in-law Stella Ostaszewski (nee Lachowska), sister-in-law Janina Niewiarowski, and sister-in-law Mary Niewiarowski. Memorial services will be held at a later date for the immediate family.
Rest in peace, Diane. Your love and devotion to your family will never be forgotten.
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