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Date: Fri, 7 Jul 2006 21:03:38 -0700 (PDT)
From: Michael Lynn Farrer <mlfarrer@swbell.net>
Reply-To: Michael Lynn Farrer <mlfarrer@swbell.net>
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Subject: [ROOTS-L] Shallow roots on a Family Tree

I am questioning the accuracy of the chart that shows generation 33 being born before Christ. I don't know the age of the person at generation 1 but that won't make a big difference. Let's say generation 1 is 6 years old now. This person would be born in 2000. According to this chart the person born 32 generations earlier would be born before the year 0.  2,000 years divided by 32 generations is a 62 average. I calculated 8 branches on my family tree and found the age of a generation ranging from 25.8 years to 33.2 years with the average being 28.13 years. If I divide 2000 years by 28.13 years I get 71 generations. If I multiply 32 gerations by 28.13 years I get 900 years or back to 1100 AD. 
 
The length of generation would depending on wheather you are calculation on a female dominated line or a male dominated line. Men typically are older than women when they marry. Most women are in menapause by age 48 and men can still father children after that age. In modern times and in civilized countries with childbirth typically taking place in hospitals the average woman outlives her husband. However in my ancestry research where women typically had their children at home it was not uncommon for a husband to have at least 2 wives. There is one man in my data base who outlived 3 wives. Typically each wife was a little younger and his 4th wife outlived him. He had children with all 4 wives. 
 
I calculated the age of the surname branch of my family tree, which would be all males, and had an average generation age of 33.17 years. This would be about 3 generations per 100 years. The mostly female branches of my family tree averaged closer to 4 generation per 100 years. With this data my surname line would go back 1066 years in 32 generations to the 900's. A mostly female branch would go back 800 years in 32 generations to about 1,200. 
 
I am not saying the chart is incorrect. Are the ages of my generations shorter than normal? I would like feedback from other genealogy researchers.
 
Lynn Farrer

