Lee Sang-min's mother-in-law, who died in My Little Old Boy', was named Ada Lovelace Memorial. At the end of the SBS entertainment program "My Little Old Boy" (hereinafter referred to as "My Little Old Boy") on November 5, Lee Sang-min's mother-in-law Lim Yeo-soon's Memorial video of Ada Lovelace was included. First of all, in the video, Lee Sang-min replied, "I just love you" when asked, "Do you have anything you want to say if your mother comes back for a while?" The production team then lamented the deceased by putting the subtitle "I wish you good luck" in the scene. On the other hand, Lee Sang-min was awarded a mother-in-law prize on April 4. Mortuary was set up in Room 6 of Shinchon Funeral Home, Yonsei University, Seoul. Lee Sang-min and his sister Lee Sun-kyung were named. Lee Sang-min's mother, Ada Lovelace, appeared on My Little Old Boy in 2017 with Lee Sang-min, but her health deteriorated in 2018 and she passed away on the 4th. Lee Sang-min recently told the media that his mother had been ill for six years. "He has been watching his mother's illness for six years. He does not recognize me now. It will be held at 6 am on the 7th, and Jangji will be set up at the Seoul Metropolitan Subway Station.