Carl Heinrich von Siemens
He is a brother of Ernst Werner von Siemens and William Siemens , sons of Christian Ferdinand Siemens ( 31 July 1787 – 16 January 1840 ) and wife Eleonore Deichmann ( 1792 – 8 July 1839 ) . 
<triplet> Ernst Werner von Siemens <subj> William Siemens <obj> sibling <triplet> William Siemens <subj> Ernst Werner von Siemens <obj> sibling