Domitia Lepida the Elder was the oldest granddaughter to which Roman politician and general?
Domitia Lepida the Elder Domitia ("PIR²" D 171), more commonly referred to as Domitia the Elder -- in fact no ancient source ever calls her Lepida - (ca. 8 BC-June 59) was the oldest child of Antonia Major and Lucius Domitius Ahenobarbus (consul 16 BC), and the oldest granddaughter to Triumvir Mark Antony by Octavia Minor, a great-niece of the Roman Emperor Augustus, second cousin and sister-in-law to the Emperor Caligula, first cousin to the Emperor Claudius, maternal aunt to the Empress Valeria Messalina, and paternal aunt to Emperor Nero. She had two younger siblings: Domitia Lepida and Cn. Domitius Ahenobarbus (cos. AD 32). The date of her birth is not recorded and can be only estimated as no later than 7 BC, but possibly as much as 10 years earlier, if one would allow a long delay between her birth and those of her two siblings.
Lucius Cassius Longinus (consul AD 30) Lucius Cassius Longinus was the first husband of the Emperor Caligula's sister Julia Drusilla in 33 AD. Cassius came from an ancient and noble "gens", the Cassii. In early 37, he was appointed by Tiberius as a commissioner. When Tiberius died later that year, Caligula became Caesar. Caligula ordered Cassius to divorce Drusilla so that she could marry Marcus Aemilius Lepidus. Caligula subsequently murdered Cassius, before his own assassination in 41, based on an oracle which Caligula interpreted as indicating that Cassius would assassinate him.