Ludwig der Bärtige von Thüringen, Graf in Thüringen
He died about 1080.

 Cäcilie Of Sangerhausen
Cäcilie Of was born about 1020 in Thuringia,Germany.  She died in 1091.

 Ludwig "Der Salier" Of Thuringia
Ludwig "Der Salier" Of was born in 1057 in Thuringia,Germany.  He died at the age of 66 on May 8th, 1123.

 Ludwig der Springer von Thüringen, Graf von SCHAUENBURG
He died in 1123.¹