Hélène "Nono" Lebasque was the youngest daughter of Henri Lebasque. Courtesy of The Athenaeum
<bdi><a href="https://en.wikipedia.org/wiki/en:Henri_Lebasque" class="extiw" title="w:en:Henri Lebasque"><span title="French painter (1865-1937)">Henri Lebasque</span></a>
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The Athenaeum <a rel="nofollow" class="external autonumber" href="http://www.the-athenaeum.org/art/detail.php?ID=41003">[1]</a>