Complex sentence: National Archives, Washington, D.C. as Sári Gábor (Gábor Sári in Hungarian order,), the middle of three daughters born to Vilmos Gábor His birth name was Farkas Miklós Grün, but he changed his surname in 1916 and his given name in 1917.
Split into simpler sentences: National Archives, Washington, D.C. as Sári Gábor (Gábor Sári in Hungarian order,). She was the middle of three daughters of Vilmos Gábor His birth name was Farkas Miklós Grün, but he changed his surname in 1916 and his given name in 1917.