Josef Braun explains the name Brennhausen in his place-names book as "the houses by a water source", meaning, in this case, a spring.
Braun bases his statement on the fact that immediately next to the settlement, a stream springs forth which flows into the river Saale.
Owned Wetzhausen, Brünnhausen, Eßfeld and part of zu Sternberg.” His four Sons inherited these four places after his death and started four independent lines which later branched out even more.
Both documentation and physical evidence strongly suggest that Brennhausen burned in 1525 during the Bauernkrieg or Peasants (or Farmers) Revolt.
Hans and his second wife Felicitas Agnes Leschin von Mülheim coat of arms are in the courtyard.
The transfer to their minor son, Johann Georg Hartmann Günther von Brennhausen, upon Hans' death was held up in court in part due to Felicitas Agnes being Protestant.
Ludwig Ernst von Bibra who moved to Brennhausen and married his former pig shepherdess and later housekeeper, Katharina Seifert on 22 October 1734.
On 8 February 1740 Katherina was raised to the nobility by Emperor Karl VI and given the name Theresa von Seyferhold.
Only five months later (16 July 1740) Ludwig Ernst died and his nephew at Bibra, Johann Philip forcibly took possession of Brennhausen with a band of horsemen, exiling the low-born Katharina and her two small sons.
Anton Rottmayer in Statistisch-topographisches handbuch für den Unter-Mainkreis des königreichs Bayern published in 1830 describes Brennhausen as having: one castle, seven residences, one mill with two mill stones, ten families, 56 residents, 22 Catholics, 34 Protestants with the Protestants going to Sulzdorf for church and school and the Catholics going to Obereßfeld.
In 1832, Johann Wilhelm Rost, described fifty-one inhabitants in twelve families lived at Brennhausen.