Wikipedia:Articles for deletion/Sulisław of Cracow
Sources now on the page are reliable.  I searched   Sulisław + Legnica and can see a fair number of sources in Polish, books and scholarly articles both.  He was, moreover the brother of a Voivode (ducal or princely rank and ruler of a territory) and his son succeeded to that throne.  Meet  #4 and #5
— User:E, 13:36, 2 November 2017 (UTC)
Stance: keep
Cited policy: WP:SOLDIER (Wikipedia:Notability)