Clara Hilda Estergaard
- Born: 11 Jan 1901, Nebraska, United States
- Marriage (1): Richard W. Blue in 1922 in South Dakota, United States
- Died: 30 Jan 1990, Huron, Beadle County, South Dakota, United States at age 89
Clara married Richard W. Blue, son of Wilford Thomas Blue and Remda Okken, in 1922 in South Dakota, United States. (Richard W. Blue was born on 14 Nov 1901 in Parker, Turner County, South Dakota, United States and died on 25 Feb 1981 in Sioux Falls, Minnehaha County, South Dakota, United States.)
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