Siemowit Piast of Masovia
- Created by: Todd Whitesides
- Added: 29 Feb 2016
- Find a Grave Memorial 158745069
Find a Grave, database and images (https://www.findagrave.com : accessed ), memorial page for Alexandra Gediminid of Lithuania (unknown–20 Apr 1434), Find a Grave Memorial no. 158745069, citing Dominican Church of Plock, Płock, Miasto Płock, Mazowieckie, Poland ; Maintained by Todd Whitesides (contributor 47553735) .