Kings III 1:5

5 And Adonias the son of Aggith exalted himself, saying, I will be king; and he prepared for himself chariots and horses, and fifty men to run before him.

Kings III 1:5 In-Context

3 So they sought for a fair damsel out of all the coasts of Israel; and they found Abisag the Somanite, and they brought her to the king.
4 And the damsel was extremely beautiful, and she cherished the king, and ministered to him, but the king knew her not.
5 And Adonias the son of Aggith exalted himself, saying, I will be king; and he prepared for himself chariots and horses, and fifty men to run before him.
6 And his father never at any time checked him, saying, Why hast thou done ? and he was also very handsome in appearance, and his mother bore him after Abessalom.
7 And he conferred with Joab the son of Saruia, and with Abiathar the priest, and they followed after Adonias.

Footnotes 1

The Brenton translation of the Septuagint is in the public domain.