Mimi Sommer Dohler is Donna’s eldest child Published on April 19, 2016 in They’re As Beautiful As Their 70s SOUL MOM, Wait Til U See Who She Is!Full resolution (287 × 400) ← Previous Next → Mimi is 42 years old (born 2/16/73) and her father is Donna’s first husband, German actor Helmuth Sommer.