How Did Mark and Shaun Staudte Die? Mark Alan Staudte met Diane while studying at St. John’s College in Winfield, Kansas. They married in December 1985, eventually. Sarah's father Mark Staudte, 61, and her older brother Shaun, 26, both died just five months apart the year before in 2012. Medical examiners ruled Mark's death was due to.
Shaun Staudte
Diane and Rachel Staudte were arrested and charged for the deaths of Mark and Shaun Staudte. Rachel, now 25, pleaded guilty to second-degree murder in May 2015 as part.