Cover photo for John K. Sierzega's Obituary
John K. Sierzega Profile Photo
1952 John 2023

John K. Sierzega

January 5, 1952 — August 4, 2023

John Kenneth Sierzega, age 71, of Milton, WI passed away on August 4, 2023, at Froedtert Hospital, Milwaukee. He was born in Chicago, IL on January 5, 1952, the son of John and Frances (Kisiel) Sierzega. He graduated in 1970 from Harper High School and later attended Morraine Valley Community College.


John was employed in the motorcycle industry for over 50 years beginning in 1968 with Nichols Motorcycle Supply Inc., then Triumph Corporation, then moving to the Janesville area in 1987 where he was employed in purchasing by LeMans Corporation until he retired on November 5, 2021.


John is survived by his wife, Charlene Paul, whom he married on May 4, 2022; son, John Sierzega and his two children; stepdaughter, Amber (Kevin) Huber and their children, Jordan and Jada Huber; stepson, Andrew Gray and his children, Brooke and Isaac Gray; and brother, David (Becky) Sierzega. He was preceded in death by his parents, a brother, Kenneth Sierzega and two sisters, Christine Firth and Julie Gornik.


A visitation will be held from 5 p.m. to 7 p.m. on Monday, August 14, 2023, at HENKE-CLARSON FUNERAL HOME, 1010 N. Wright Road, Janesville. Graveside services will be held at 1 p.m. on Tuesday, August 15, 2023, at Resurrection Cemetery, 7201 Archer Road, Justice, IL.


Henke-Clarson Funeral Home & Crematory of Janesville is assisting the family. Online condolences can be shared at www.henkeclarson.com.

To order memorial trees in memory of John K. Sierzega, please visit our tree store.

Service Schedule

Past Services

Visitation

Monday, August 14, 2023

5:00 - 7:00 pm (Central time)

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Graveside Service

Tuesday, August 15, 2023

Starts at 1:00 pm (Central time)

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Burial

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