How was Cleopatra VII related to the dynasty founded by Ptolemy I Soter?

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Coin depicting Ptolemy I Soter — Ptolemy I Soter Ptolemy I Soter, portrait on a silver tetradrachm; in the British Museum

Cleopatra VII was a direct descendant of Ptolemy I Soter, the Macedonian general who founded the Ptolemaic dynasty in 305 BCE.12

As a member of this royal house, Cleopatra VII belonged to the lineage that ruled Egypt for nearly three centuries following the death of Alexander the Great. She was the daughter of Ptolemy XII Auletes, who was himself a descendant of the dynasty. Cleopatra VII served as the final active ruler of this Macedonian line, and her death in 30 BCE marked the end of the dynasty's reign and the subsequent annexation of Egypt by Rome.234