Jan van Berkum,Jirnsum

29/07/1988 26/05/1989 22/07/1989 07/08/1989 09/09/1989 09/09/1989 23/09/1989 21/04/1990 09/05/1990 16/05/1990 22/05/1990 30/05/1990 02/06/1990 05/06/1990 23/06/1990 23/06/1990 29/06/1990 09/07/1990 28/07/1990 09/08/1990 12/08/1990 25/08/1990 28/08/1990 01/09/1990 08/09/1990 08/09/1990 19/09/1990 22/09/1990 22/05/1991 01/06/1991 04/06/1991 13/07/1991 01/05/1993