I am looking for any living relatives of Flora L Robeson B:abt 1885 in Nebraska,parents born in Indiana,her Mother name is Hattie Wells and was married to Daniel Monroe Robeson B:13 Feb 1859 in Iowa possibly Scott,Iowa M: 7 Oct 1904 in Sheridan,Wyoming.She appears in the 1920 census for Ravelli,Corvallis,Montana with James D holt as the HEAD and Flora as his wife and Hattie is the Mother in law.And the children as listed are Arnold Holt B:abt 1904 Montana,NolaHolt B:abt 1906 Montana,Cecil Holt B:abt 1909 Montana,and Thelma Holt B:abt 1912 Montana and 1 lodger Gus Anderson from Sweden.

1930 U.S. Federal Census; Montana; Ravalli County; Corvallis; Roll: 1260; Page; 118; Enumeration District: 9; Image: 1064.0; Enumerated on 30 Apr 1930:

DOWNING, Claire B.; head of household; male; white; 33 years old; first married at 25 years of age; born in Montana; father born in Iowa; mother born in Montana; occupation: farmer--general farm.
DOWNING, Kathleen M.; wife; female; white; 33 years old; first married at 25 years of age; born in Montana; father born in Ireland; mother born in Montana; occupation: none listed.
DOWNING, Miles E.; son; male; white; 5 years old; born in Montana; both parents born in Montana.
DOWNING, Loretta M.; daughter; female; white; 2 years, 8 months of age; born in Montana.
DOWNING, Donald E.; son; male; white; 4 years, 6 months of age; born in Montana.
HOLT, Cecil W.; brother-in-law; male; white; 25 years of age; first married at 20 years of age; born in Montana; both parents born in Montana; occupation: farm laborer.
HOLT, Hazel L.; sister-in-law; female; white; 22 years of age; first married at 17 years of age; born in Montana; both parents born in Montana.
HOLT, Bernetta L., niece; female; white; 4 years, 2 months of age; born in Montana.
HOLT, Jack L.; nephew; male; white; 1 years, 5 months of age; born in Montana.
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MONTANA DEATH INDEX & SOCIAL SECURITY DEATH INDEX:

HOLT, Arnold E.
Born: 05 Apr 1903
Died: 13 Feb 1992 at 88 years of age
County(s) of Death & Residence: Missoula County
Place of Death: Missoula, MT 59801
Marital Status: Married
Montana Certificate #: 924
SS#: 516-05-3994 (Issued in Montana before 1951)

IDAHO DEATH INDEX, 1911-51

HOLT, Nolan Raymond
Born: 28 Nov 1907
Died: 31 Jan 1942 in Wallace, Shoshone County, Idaho
Idaho Certificate #: 127679
(NOTE: I think this may be the Nolan Holt that you are looking for, as the year of birth is about right, and Wallace, Idaho is not too far from Corvallis, Ravalli County, Montana), nor is it far from the city of Missoula.

I you find the above information useful. I was unable to find out any more for you. I am not related