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Message: <blockquote data-quote="Tonguez" data-source="post: 2142873" data-attributes="member: 1125">Can I just add a real life example that starting with my grandparents (bless their souls) born in 1910 (grandfather) and 1911 (grandmother) who had 19 children (17 reaching adulthood) I have 98 first cousins (a few now deceased).I've lost count but the family is now at the 6th Generation and has around 400 members.Now thats in less than 100 years with a starting population of 2 with an average lifespan which is unfortunately less than 60yrs for males, more for females.So assuming the 400 current members have an average of 1 children every 25 years (as opposed to 5.7 for the original cohort) we could have 6400 people after 200 years and thats from a base population of 2 multiply by 100 we get 640000  adjust that to the carrying capacity of the land (ie guess a good number) and yep its all goodNB Just as an aside, studying Polynesian folklore (my specialty) you'll find usually a break of around 9 generations (or approx 200 yrs) between traditions of the founding population (which was often less than 100 and may have been no more than 20) and the next tradition cycle (usually internal migrations).Most have assumed that it is at this point that the 'geographic carrying capacity' pressures set in forcing internal migrations and social rearrangements to occur...</blockquote>