|Born|| ca. 1922|
|Cause of death||Suicide|
|Date|| February 23, 1985|
Deraymaeker apparently was vehemently opposed to his daughter-in-law's decision to get a divorce from his son Willy. Prior to the murders he sent a letter to his brother, writing that he had the intention to commit suicide.
Deraymaeker, who was armed with a .22-caliber pistol, first killed his daughter-in-law Frieda van Loon, and her mother Maria Sterkens at his son's café "De Yzer" in Jezus-Eik. He then returned to his home in Overijse, where he shot dead his own wife, his son, and his two grandchildren in the greenhouse in his garden. Afterwards he drowned himself in a nearby well. The bodies were discovered by police around 11 p.m. after Deraymaeker's brother had informed them about the letter.
- Lea Pats, 62, Deraymaeker's wife
- Willy Deraymaeker, 36, Deraymaeker's son
- Frieda van Loon, 32, wife of Willy Deraymaeker
- Dally Deraymaeker, 8, daughter of Willy Deraymaeker and Frieda van Loon
- Timmy Deraymaeker, 6, son of Willy Deraymaeker and Frieda van Loon
- Maria Sterkens, 57, mother of Frieda van Loon
- ↑ Amoklauf, Hamburger Abendblatt (February 25, 1985)
- ↑ Un belga mata a seis familiares y luego se suicida por desacuerdo con un divorcio, El País (February 25, 1985)
- ↑ Familiedrama in Belgie kost zeven Mensenlevens, Provinciale Zeeuwse Courant (February 25, 1985)
- ↑ Man doodt zes familieleden en zichself, Limburgsch Dagblad (February 25, 1985)