Patriarchal Trisagion for the late Christos Archontonis
On Sunday, April 3, 2022, Ecumenical Patriarch Bartholomew went to the Cemetery of Saint Ignatius of Chalcedon, where he performed a Trisagion service at the tomb of his late parents, Christos and Meropi, on the occasion of the anniversary of the passing away of his father.
Source: orthodoxtimes.com