Gregory Shushan

John X bar Shushan (Syriac: ܝܘܚܢܢ ܒܪ ܫܘܫܢ, Arabic: يوحنا ابن شوشان) was the Patriarch of Antioch, and head of the Syriac Orthodox Church, from 1063/1064 until his death in 1072/1073.