Robert Sonnenburg

Robert Elmer Sonnenburg

Sunday, September 10th, 1933 - Tuesday, August 18th, 2020
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Robert Elmer "Bob" Sonnenburg age 86, of Cascade, Wisconsin passed away peacefully at the Froedtert Memorial Lutheran Hospital in Wauwatosa, WI on the evening of Tuesday, August 18, 2020.

Bob was born on September 10, 1933 in Milwaukee, WI, son of the late Elmer and Elizabeth (Gavigan) Sonnenburg.

He attended Boys Tech in Milwaukee. Following high school, he served in the United States Air Force from 1951-1960 during the Korean War.

On June 5, 1954, he married Mary Ann Kozlowski in Superior, WI. The couple resided in Cascade since 1976. She preceded him in death on September 18, 2015.

Robert worked at Wisco 99 Gas Station in Milwaukee and later worked for his father at Generator Service in Milwaukee for several years. He later started Sonnenburg Brake & Electric, running the business for over 40 years, retiring in 2006.

He enjoyed playing bingo, playing cards, watching movies on Netflix and Western movies on TV, and spending time with his family.

He is survived by Five children: Robert (Cynthia) Sonnenburg Jr. of Mauston, Delores Hill (Joe Mayer) of Cascade, Daniel (Karla) Sonnenburg of West Allis, Gerald (Laura) Sonnenburg of Cascade, and James Sonnenburg of Sheboygan; Eight grandchildren: Sharon (Joseph) Stein of Milwaukee, Jason Sonnenburg of Mauston, Christopher (Rachel) Hill of Plymouth, Devan Hill of Plymouth, Ashley (Ryan) Bonnier of DeWitt, MI, Matthew Sonnenburg (Nate Tratnik) of Lake Geneva, Joshua (April) Sonnenburg of Sheboygan, and Amanda Sonnenburg (Fiance: Seth Krueger) of Plymouth; Fourteen great grandchildren: Josh, Jerad, Jayden, Justin, Elizabeth, Oliver, Eli, Grant, Bryce, Ella, Araya, Kara, Luka, and Millie; One sister: JoAnn Hafemann of Saukville; and Three sisters-in-law: Jane Johnson, Stella Hanson, and Frannie (Dave) Stannard, all of Superior. He is also survived by nieces, nephews, other relatives and friends.

Robert was preceded in death by: His parents; Wife: Mary Ann; Grandchild: Nickolas Hill; Brothers: Al (Carol) Sonnenburg and Gene (Hilda) Sonnenburg; Sister-in-law: Aggie (Joe) Sieva; and Brother-in-law: Harvey Hafemann.

Visitation will take place at the Suchon Funeral Home on Monday, August 24, 2020 from 11 a.m. until 1 p.m. with a Lutheran Service at 1 p.m., Pastor Dale Miller of Salem Plankroad UCC in Plymouth, will officiate. Burial will be in Mount Pleasant Cemetery in the Town of Mitchell with the Military rites conducted by the Plymouth VFW World Cheese Center Post #5612.
In lieu of flowers, a memorial fund is being established in Robert’s name.

The family would like to send a special thanks to all the doctors and nurses at Froedtert Hospital and the staff of Horizon Hospice for all the care and compassion given to Robert. Lazarczyk Family Funeral Home and Cremation Services of Lake Geneva, WI and Suchon Funeral Home of Plymouth, WI is proudly serving the Sonnenburg family.
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Service Details

  • Visitation

    Monday, August 24th, 2020 | 11:00am - 1:00pm
    Monday, August 24th, 2020 11:00am - 1:00pm
    Suchon Funeral Home
    1317 State Road 67
    PLYMOUTH, WI 53073
    Get Directions: View Map | Text | Email
  • Service

    Monday, August 24th, 2020 | 1:00pm
    Monday, August 24th, 2020 1:00pm
    Suchon Funeral Home
    1317 State Road 67
    PLYMOUTH, WI 53073
    Get Directions: View Map | Text | Email
  • Interment

    Mt. Pleasant Cemetery
    CASCADE, WI 53011
    Get Directions: View Map | Text | Email


  • Air Force


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