John, The program can produce reports by starting anywhere and then continuing for X generations. Could the program not also follow only those people that are flagged and when the flags stop then the report stops as well? -- Jaq BENADIE PO Box 2337, Pinetown, 3600 Ph 031 - 708 3746 : Cell 073 - 560 0657 Fax 0865 197 978 jaqb64@gmail.com