Mary Clarke
... that Mary Clarke raised eight children and managed an estate whilst corresponding by letter with philosopher John Locke?
... that <b id="mwA8k"><a href="./Mary_Clarke_(letter_writer)" id="mwA8o" rel="mw:WikiLink" title="Mary Clarke (letter writer)">Mary Clarke</a></b> raised eight children and managed an estate whilst corresponding by letter with philosopher <a href="./John_Locke" id="mwA8s" rel="mw:WikiLink" title="John Locke">John Locke</a>?