[3] He was a member of the Trpimirović dynasty, and in preserved documents and inscriptions held titles of reges (king), dux magnus, patriarch and eparchi.

[6] The 13th-century work Historia Salonitana by Thomas the Archdeacon notes that Zachlumia (or Chulmie) was a part of the Kingdom of Croatia, before and after Stephen Držislav.

In 996, Venetian Doge Pietro II Orseolo stopped paying tax for safe passage to the Croatian King after a century of peace, renewing old hostilities.

[5] Stephen Držislav, together with the Neretvians, possibly fought the Venetian fleet led by Badorai Bragadin at Vis, but with little success.

[11] In 1892, Lujo Marun documented how a stone slab was found in Kapitul near Knin that contained an epigraph of Držislav together with the Croatian interlace.