John was born about 1640, as best guess based on the 1659 marriage. He may have been the son of John Spicer, but there are no surviving records to prove it one way or another.
He married Rebecca Farwell in 1659 in Buckland Newton. Together they had 5 children, finally getting a son who they named John, in January 1676/7.
He most probably passed away in 1688.
The evidence is fragmentary, so apart from what is definitely on the sources attached everything else are working assumptions.
There is one other Spicer record around the time of the marriage, a Mary Spicer, daughter of Thomas, buried in 1664: https://www.findmypast.com/transcript?id=GBPRS%2FD%2F282184704%2F3. Not in Buckland Newton, but in Piddletrenthide, which is about 4 miles south of Buckland Newton on the road to Dorchester.
It seems probable that the Spicers spread out from Buckland Newton (the names John and Henry appear in Bishops Caundle in the 1680's, and Buckland Newton in the 1590's), but there are few records for the intervening period.
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