Luka Lev Kiszka was born in Kovel, in Volhynia, from a noble family in the year 1663.

[1] Still young he joined the Order of Saint Basil the Great and he studied in Byten (Ivatsevichy Raion).

On 6 December 1687, already ordained a priest, he entered in the Pontifical Urbaniana University, in Rome, where he studied till 1691.

Kiszka's more important result as Metropolitan of Kiev was the Synod of Zamość, opened on 26 August 1720, in which were codified the canons of the Ukrainian Greek Catholic Church.

The synod issued nineteen chapters, concerning the faith (1), the predication (2), the sacraments (3), the diocesan organization (4 to 10), the monasteries (11, 12), the ecclesiastic estates (13, 14), the liturgical year and the saints (16, 17), and the promulgations of the canons (18, 19).