Bak Nam Suk, Martyr's Family Genealogy:

Published in 1979
​ by Dr. Young Keun Suk (Brother of the Martyr)

Suk's Family Genealogy chart: Red circle to the first right: Saint; Blue circle: Brother Alex (Taeryon) along with a younger brother (Hyo Ryon)
(Note: Saint did not marry therefore there is no descendant lineage shown.)

Saint is fifth from the left (second row) Circa 1943. 

Saint is third from the left; next is the eldest sister, who is the Grandmother of Brother Alex. Circa 1943.

Brother Alex's Family genealogy: Father Hakto Pak; Mother Hisoon Pae, Younger Brother Carl Hyo Ryon.