Oak leafs denote the parents, whose details were incorporated into one of the ends of the table.
A gender symbol following a date denotes a birth year with the initials following.

Acorns denote the children and their family histories run the length of the two table sides.
Two ivory (reclaimed) inlaid hearts either side of a date denotes a marriage year.

A triangular symbol (three sides for third generation) denotes a grandchild.

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