Helen Jackson was born 21 June 1904 in Cincinnati, Ohio. Her early childhood was spent in Cincinnati, where her father practiced corporate law. Between the ages of about six to fourteen, Helen's family lived in the Panama Canal Zone, where her father was a judge. They left the Caribbean around 1919, settling in Garden City, Long Island, New York.

        Helen was first married in New York City on 10 May 1927, aged twenty-two, to Ernst Fritz Kuhn. Kuhn was born 15 May 1888 in Mannheim, Baden, Germany, son of Laura née Oppenheimer (1867–'91) and Aaron Kuhn (1856–1923). Having immigrated to the United States in 1914, Kuhn was in the import-export business. He died 17 December 1956 in New Hempstead, Rockland county, New York.

        Some time around 1937, Helen married Edwin Meredith ("Ned") Van Voorhees, born 5 July 1889 in St Louis, the son of Carrie May née Yerkes (1863–1901) and Martin Voorhees (1858–1907). Married first to Marion Maude Miller (1890–1948), daughter of Lucinda née Christ and Sebastian R. Miller, Ned and Marion had six children: Peter Henry and Edwin M. Jr, who died the same day, 11 January 1922, aged seven and eight years; Richard Miller, born 1922; Garret Coerte and Gretchen, born 1924; and Katrina, born 1927.

        Having begun his career in architecture, Ned served in World War I and joined General Motors Corporation in 1925, holding posts in Brazil, Japan, Russia, Spain, and the Philippines.

        After the outbreak of World War II, Helen and Ned were together in Manilla, the Philippines. Sensing the political temperature, Ned sent Helen home around December 1941. He was captured by the Japanese in Manilla in January of 1942, interned at Santo Tomas prison camp for three years, and released 3 February 1945. He died in New York City three years later, aged fifty-eight, on 30 January 1948.

        Numerous passenger-ship manifests from 1913 through 1941 suggest that Helen Jackson (Kuhn) Van Voorhees spent much of her life traveling by sea. She died in New York City, aged thirty-eight, of complications from heart disease. Her remains were cremated at Ferncliff Crematory in Ardsley, Westchester county, New York. The informant on her death certificate was her half first cousin Elizabeth Jackson (née Buckner) Maddin, who also served as executrix of Helen's will.

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Parents:

     Caroline Taylor Dickson (1871–1935)

     William Harrison Jackson (1864–1938)

Siblings:  None

Married (10 May 1927):

     Ernst Fritz Kuhn (1888–1956)

Children:  None

Married (c1937):

     Edwin Meredith Van Voorhees (1889–1948)

Children:  None