Mother at 6 Grand mother at 12 GGM at 18 GGGM at 24 GGGGM at 30 GGGGGM at 36 GGGGGGM at 42 GGGGGGGM at 48 GGGGGGGGM at 54 This is age at which others become a GM.
Mother at 6
Grand mother at 12
GGM at 18
GGGM at 24
GGGGM at 30
GGGGGM at 36
GGGGGGM at 42
GGGGGGGM at 48
GGGGGGGGM at 54 This is age at which others become a GM.