SISTER BERNETTA STUHRENBERG Sr. Bernetta Stuhrenberg, age 93 of the Sisters of St. Francis in Oldenburg, died on September 6, 2021, at the convent. Born as Clara Stuhrenberg on August 1, 1928, in Duncombe, Iowa to Mary (Nee: Naderman) and Henry Stuhrenberg, she was the fifth of seven children born into the family that included …