brother of Titus Geganius Macerinus, the consul of 492 BC, sent to Sicily in hopes of obtaining grain.
* Marcus Geganius M. f. Macerinus, consul in 447, 443, and 437 BC, and censor in 435. During his second consulship, he defeated the Volscians, and was awarded a triumph.
* Proculus Geganius (M. f.) Macerinus,