Birth Name: Katherine Sian Moennig
Place of Birth: Philadelphia, Pennsylvania, U.S.
Date of Birth: December 29, 1977
Ethnicity: German, possibly Scottish and Irish
Katherine Moennig is an American actress. She is the daughter of Mary and William Heinrich Moennig III, a violin maker. Katherine is a niece of actress Blythe Danner, opera singer and actor Harry Danner, and performer and director Dorothy “Dottie” Danner, and a cousin of actress and food writer Gwyneth Paltrow, who is Blythe’s daughter. Katherine’s father was a half-brother of Blythe Danner; they had the same mother.
Katherine’s paternal grandfather was William Heinrich Moennig, Jr. (the son of William Heinrich Moennig and Elsie Zesewitz). Katherine’s grandfather William was born in Germany or Pennsylvania. Katherine’s great-grandfather William was born in Markneukirchen, Saxony, Germany. Elsie was also born in Germany, the daughter of Teresa.
Katherine’s paternal grandmother was Katherine M. Kile (the daughter of Harry Frederick Kile and Pauline Friedericke Holzwarth/Holzworth). Katherine’s grandmother Katherine Kile was born in Pennsylvania. Harry was the son of William Harry Kile, who was of German descent, and of Rosa Schlump, who was born in Pennsylvania, to German parents. Pauline was an emigrant from Oberweißbach, Germany, who came to the U.S., at the age of fourteen, as an indentured servant (in 1903).
Katherine’s maternal grandfather has the surname Zahn.
Some sources state that Katherine also has Scottish and Irish ancestry.
Obituary of Katherine’s father – http://www.legacy.com
Katherine’s paternal great-grandfather, Harry Frederick Kile, on the 1900 U.S. Census – https://familysearch.org