Family/Spouse: Siemowit IV Duke Of MASOVIA. Siemowit (son of Siemowit III Of MASOVIA and ? UNKNOWN) was born about 1352; died between 1425 and 1426. [Group Sheet] [Family Chart]
Algirdas married Uliana Of TVER in 1350. Uliana was born in 1325; died in 1392. [Group Sheet] [Family Chart]