By Helen Pow PUBLISHED: 19:04 EST, 27 October 2013 | UPDATED: 19:04 EST, 27 October 2013 An Oklahoma family has shared the heartbreaking tale of how three of four unrelated daughters-in-law were diagnosed with breast cancer, with one tragically losing her life. Robert and Wilma Wehrenberg had four boys - Mark, Michael, David and Paul. The couple  had wanted a girl but decided their sons' wives would be the daughters they never had. 'And that's what we had - four wonderful daughters-in-law,' Robert told NewsOK.com. Stacy Wehrenberg, Michael's wife, was the first to be diagnosed, in 2010. The couple worked together at the University of Oklahoma and married on New Year's Eve 2002. Not long after, they had their daughter Abbey, who's now 9.
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Oklahoma women, Stacy, Tammy and Amy Wehrenberg, who are only related by the brothers they married, were all diagnosed with breast cancer
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Stacy tragically lost her life in September 2012 after a two year battle but Tammy and Amy are now cancer free
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The family is sharing their sad story in the hope it will encourage other women to get regular mammograms and inspire breast cancer sufferers
best thing @placeholder ever told me when I was diagnosed was "Just because