William Michael Seidel, Jr.
February 16, 1951— March 4, 2026
Round Lake, IL
William Michael Seidel, Jr. of Round Lake, Illinois, passed away on March 4, 2026, at Advocate Condell Medical Center in Libertyville, Illinois. Born on February 16, 1951, in Tinley Park, Illinois, he was the second of five children born to William Sr. and Wanda Seidel.
Bill is survived by his three children, Belinda (Kirk) Steckenrider of Round Lake, Andrea (Nick Peroutka) Salinas of Round Lake, and Joseph (Sarah) Seidel of Jefferson, Georgia. He was the proud grandfather of six: Jacob, Gabriel, Kyle, Bethany, Lucas, and Vincent. He is also survived by his siblings, Adrienne (Walter) Harrington, Claudia (Mike) Hornacek, Glenn Seidel, and Judy (Anthony) Plosnich, along with many nieces, nephews, and cousins.
Services and interment were held privately.
Candles
Keep the flame burning longer
Keep this memorial alive
Currently free — expires March 18, 2027
Premium
Preserve this memorial forever — remove ads, custom URL, priority support
$99
Lifetime
Everything in Premium plus custom theme, background music, and family admin access
$149
Forever Plan
Keep this memorial preserved — billed annually
$49/yr
Memories
Share this memorial
Let someone know about William's page
Scan to visit this memorial