Gilder's <a rel="mw:WikiLink" href="https://en.wikipedia.org/Sibling" title="Sibling" id="mwjg">siblings</a> were <a rel="mw:WikiLink" href="https://en.wikipedia.org/William_Henry_Gilder" title="William Henry Gilder" id="mwjw">William Henry Gilder</a>, an explorer; <a rel="mw:WikiLink" href="https://en.wikipedia.org/Jeannette_Leonard_Gilder" title="Jeannette Leonard Gilder" id="mwkA">Jeannette Leonard Gilder</a>, a journalist; and <a rel="mw:WikiLink" href="https://en.wikipedia.org/Joseph_Benson_Gilder" title="Joseph Benson Gilder" id="mwkQ">Joseph Benson Gilder</a>, an editor. His great-grandson <a rel="mw:WikiLink" href="https://en.wikipedia.org/George_Gilder" title="George Gilder" id="mwkg">George Gilder</a> is a renowned author and was a speechwriter for Richard Nixon.
