Short answers, pulled from the story.
Marcus Junius Brutus was born in late 85 BC into the illustrious plebeian gens Junia. His father served as tribune of the plebs in 83 BC before dying fighting against Pompey in 77 BC.
Brutus and Cassius recruited conspirators including Gaius Trebonius Publius Servilius Casca and Servius Sulpicius Galba starting in late February 44 BC. They attacked during a senate meeting on the Ides of March which carried symbolic importance since consuls traditionally assumed office that day until mid-2nd century BC.
After defeat fled hills with four legations knowing capture inevitable taking life falling sword. Last words according to Plutarch stated By all means must we fly but hands not feet.
Brutus decided to support his father's killer despite their previous relationship. This decision likely reflected loyalty to allies like Appius Claudius Cato and Cicero who joined Pompey.
Wounds numbered between twenty-three and thirty-five according to various ancient accounts. Nicolaus of Damascus reported eighty conspirators while Appian listed only fifteen.