A current roster of all Clan Heaven members is available on the clan's page on the Alter Aeon web site.
According to the clan's Heavenly Constitution, elders in the clan include the Almighty Father and a number of Archangels and Seraphim. Below is a list of elders and dates they joined the clan.
Castiel - Prior to February 2018
Lucifur - April 2021
Thaelis - March 2021
Ashiah - June 2021
Lejaguar - October 2021