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Case file s163 · Secret heirs · 1941
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1941
J. P. Morgan: J.P. Morgan (cropped)
J. P. Morgan. Unknown author. Public domain, Wikimedia Commons.
Died
3 October 1941
Place
Ponca City, Oklahoma · United States
Field
oil, politics · Business and finance on the timeline
Legal tradition
US state law (adoption annulled in Pennsylvania) · Common law
Historical event
1920s oil boom; Great Depression and the New Deal
Secret heirsWorld warsNorth AmericaUnited States

Oklahoma oilman E.W. Marland annulled his adoption of his wife's niece and married her, then lost his company to J.P. Morgan's bankers

E.W. Marland lost his first fortune in the Panic of 1907, moved to Ponca City in 1908 and struck oil in June 1911. By 1927 Marland Oil had 550 service stations in 11 states. He and his wife Virginia had no children. In 1916 they adopted Virginia's sister's children, George and Lydie Roberts. Lydie was born in 1900. In 1923 Marland took financing from J.P. Morgan's bank. Virginia died in June 1926, before the new $5.5 million mansion was finished. In 1928 an oil slump left Marland overextended. The bankers took control, removed him and merged the company into Continental Oil (Conoco). By mid-1929 the Marland signs had been painted over. In 1928 he had also taken Lydie in his private rail car to her birth parents' home in Flourtown, Pennsylvania, had her adoption annulled, and married her there on 14 July 1928. He was 54 and she was 28. He was elected governor of Oklahoma in 1934. Six months before he died he sold the mansion to the Discalced Carmelite Fathers and left Lydie the chauffeur's cottage. In 1953 she drove away in a Studebaker loaded with paintings and tapestries and stayed away 22 years, paying the taxes on the cottage through her lawyer. In 1975 she wrote to the Ponca City News urging residents to buy the mansion, and came home. The city bought the 30-acre estate in 1975 for $1.4 million. Lydie died in 1987. In 2026 the mansion is a city-owned museum.

What the law took from it

An adoption creates an heir and a legal child in one act; Marland had to unmake the child to make the wife.

Record vs. record

The Marland Mansion museum says Marland resigned in October 1928 to begin a career in politics and puts his fortune above $30 million; the Encyclopedia of Oklahoma History says the bankers removed him, and Wikipedia gives an estimated $85 million in 1920.

marlandmansion.comokhistory.org
Sources
  1. okhistory.orgPress
  2. marlandmansion.comPress
  3. marlandmansion.comPress
  4. marlandmansion.comPress
  5. Wikipedia (English)Encyclopedia

Cite as: celebrity.estate, “Oklahoma oilman E.W. Marland annulled his adoption of his wife's niece and married her, then lost his company to J.P. Morgan's bankers,” story s163, https://www.celebrity.estate/j-p-morgan-1941, updated 30 October 2026.

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Where this case sits

Secret heirsWorld warsNorth AmericaCommon lawUnited States