Family: Dr. Peter Orville Horwitz / Nataline B. Dulles (F6715)
m. 15 Sep 1934George Quintard Horwitz (1868-1916) 
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Maj. Marian Newhall (1880-1932)
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| Heatly Courtonne Dulles (1867-1956)
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| Lilian Hoyt Ewing (1886-1975) |
Margaret Dulles (1910-1997)  |
| Lily Courtonne Dulles (1908-2003) |
| Dr. Peter Orville Horwitz (1909-2003)
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| Nataline B. Dulles (1915-2011)
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