He married Filomena Pimentel (who died in chilbirth), granddaughter of Count of Heras.

In 1909 he married the poet Frances Darwin, daughter of Francis Darwin and granddaughter of Charles Darwin - she became known under her married name.

According to another tradition, he married Sukanya, daughter of Vedic king 'Sharyati' and granddaughter of Vaivasvata Manu.

He married Bindumati Chaitrarathi, daughter of Yadava king Shashabindu and granddaughter of Chitraratha.

Adoption was considered the same as affinity in that an adoptive father could not marry an unemancipated daughter or granddaughter even if the adoption had been dissolved.

He married the daughter or granddaughter of de Fossiébourg.

Pennyman later married Ann Atherton, granddaughter of Katherine Conyers and heiress to the remaining two thirds.

About this time King married Anne, eldest daughter of Robert Berkeley, esq., and granddaughter of Sir Maurice Berkeley.

In 1936, he married Louise Richardson, granddaughter of Hugh T. Inman, and member of one of the most prominent families in Atlanta.

In 1983, he married Zahra Eshraghi, granddaughter of Ruhollah Khomeini (founder of the Islamic republic), and an activist in women's rights.