De Sjonnies is a party band from Nijmegen (The Netherlands). The band members are Ronnie Ruysdael and his two sons Friso and Konstantijn. The band is named after the Dutch folk singer Johnny Jordaan.
Their big breakthrough was in 1995 with their album "Verse Vis En Lingerie". They reached the 5th place in the Dutch hit charts with "Dans Je De Hele Nacht Met Mij", which is covered from Karin Kent.
Other albums are "Broodje Bal" (1997), "Anti-Roos" (2000)