On last week Sunday, there was great-grandfather's Jesa. ( Jesa is a ceremony commonly practiced in Korea. Jesa functions as a memorial to the ancestors of the participants. Jesa are usually held on the anniversary of the ancestor's death. more)Have Jesa of 6 times every year in my house. There are great-grandfather's Jesa, great-grandmother's Jesa, grandfather's Jesa, grandmother's Jesa and Kor..