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Elizabeth  "Betty" Oonk
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Obituary for Elizabeth "Betty" Oonk

Elizabeth “Betty” Oonk, 90, passed away on Friday, April 20, 2018, at her home in Cedar Grove.

Betty was born on May 8, 1927, to Albert & Esther (Brill) Prange at their farm home in rural Cedar Grove.Betty attended River Valley School and graduated from Cedar Grove High School in 1945. Betty used her accounting and payroll skills at General Box Co., Kool Kitchen, Sheboygan School System, Oostburg High School, and later part time at the Jack Verhelst Realty. 

Betty was also an excellent seamstress, did knitting, tatting, and made a lot of very special clothes and items for members of her family. She also enjoyed flower gardening.

On August 9, 1980, she married Marvin J. Oonk. He preceded her in death on August 30,1991.Betty was a lifelong member of Calvary Orthodox Presbyterian Church in Cedar Grove where she was a member of the Women’s Missionary Society. She was a Red Cross volunteer and attended the Cedar Grove Senior Citizens.

Betty is survived by a step-son-in-law, Lloyd TerMaat of Cedar Grove, three step-sons, Ron (Bonnie) Oonk, Roger (Mame) Oonk, and Bradley (Mary) Oonk, all of Oostburg.  She was also richly blessed with ten step-grandchildren, 22 step-great grandchildren, and one step-great great grandchild.  She is further survived by two nieces, Judy (John) DenBoer of Cedar Grove and Jane (Steve) Weavers of Oostburg; two nephews, Wesley (Diane) Eernisse of Plymouth, and Terry (Patti) Eernisse of Cedar Grove; great nieces and nephews, cousins, and friends.

She was preceded in death by her husband, Marvin, a step-daughter, Carol (Oonk) TerMaat; and a sister and brother in law, Nelda and Roger Eernisse.

Funeral services for Betty will take place on Wednesday, April 25, 2018, at Calvary Orthodox Presbyterian Church in Cedar Grove at 11:30 am with the Rev. David Cornette officiating. Interment will take place at Union Cemetery in the Town of Holland at 2 pm.

There will be a time to greet the family at the church from 10 am until the time of the service at 11:30 am.

For online condolences and additional information please visit

A memorial fund is being established in Betty’s name for Calvary OPC, Sharon S. Richardson Hospice and Embrace In-Home Care in Sheboygan.

The staff of the Wenig Funeral Home in Oostburg (920-564-2771) is serving Betty’s family.

To send flowers or a remembrance gift to the family of Elizabeth "Betty" Oonk, please visit our Tribute Store.

Previous Events





10:00 AM - 11:30 AM
Calvary Orthodox Presbyterian Church

136 Union Avenue
Cedar Grove, WI 53013

Funeral Service




11:30 AM
Calvary Orthodox Presbyterian Church

136 Union Avenue
Cedar Grove, WI 53013

Cemetery Details


Union Cemetery

Town Of Holland, WI


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