Parents

• John Cadwalader Sr. (1805–1879)
• Henrietta Maria Bancker

Spouses

• Mary Helen Fisher (1844–?)

Siblings

• Sarah Bancker Cadwalader (1834–?)
• Frances Cadwalader (1835–?)
• Thomas Cadwalader d.inf. (1837–1841)
• Charles E. Cadwalader (1839–?)
• Anne Cadwalader (1841–?)
• George Cadwalader (1845–?)

Children

• Sophia Cadwalader (1867–?)
• Mary Helen Cadwalader (1871–?)
• John Cadwalader III (1874–?)

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