John Chongkyu Yoon Obituary
It is with deep sorrow that we announce the death of John Chongkyu Yoon (Rockville, Maryland), who passed away on August 4, 2021, at the age of 72, leaving to mourn family and friends. You can send your sympathy in the guestbook provided and share it with the family.
He was predeceased by: his father Hong Gyun Yoon. He is survived by: his mother Kyung Nam Choi; his daughter Leah Yoon Frelinghuysen (Cyrus Frelinghuysen); his sisters, Elena Park and Grace Yoon Bunka; and his grandchildren, Eva Hyejung and Jasper Jungbin Frelinghuysen.
In lieu of flowers his family asks that donations be made to Project ALS at https://projectals.org.