[1] He ruled during a time in Shirvanshah history that scholarship has referred to "a period of total confusion", due to the lack of written records and contradictory numismatic evidence.
[1] The Armenian-American historian Dickran Kouymjian suggests that they may have ruled in different parts of the kingdom, with Farrukhzad I most likely ruling in Baku, which is close to Mardakan.
[6] According to The Georgian Chronicles, around 1223 an unnamed Shirvanshah asked for the hand of the Georgian princess Rusudan, the sister of the king of Georgia, George IV (r. 1213–1223).
The proposal was accepted, but was soon cancelled due to George IV's death, which occurred while he was en route to the ceremony.
The unnamed Shirvanshah may have been Farrukhzad I, Garshasp I or Fariburz III.