Nancy Pettengill,Arlington High 1963,Arlington,Mass.

I am looking for a Pettengill family from Arlington,Mass.
Nancy who went to Arlington High school and to Brandies University.Her sister was Nancy and bother Richard[?] father may have been Richard and mother was Helen Hardy.Parents were professors at Radcliffe/Harvard Universities in Cambridge,Mass. Nancy would be in her early-mid sixties.

I understand Helen may have moved to Florida.
The family were all members of the Quaker Community in Cambridge and attend the Cambridge Meeting House.

Thanks.

Russell