Émile Duclaux
Duclaux's second wife , Agnes Mary Frances Duclaux ( maiden name Agnes Mary Frances Robinson 1857–1944 ) , was a well-known author , and his son , Jacques Eugène Duclaux ( 1877–1978 ) , was a highly regarded chemist . 
<triplet> Agnes Mary Frances Duclaux <subj> Jacques Eugène Duclaux <obj> child <triplet> Jacques Eugène Duclaux <subj> Agnes Mary Frances Duclaux <obj> mother