It's been a summer of major life milestones for Lauren Sanchez Bezos, who began the season by tying the knot with billionaire Jeff Bezos -and she is closing it out by bidding farewell to her son, Evan Whitesell, who has left the family home to start his freshman year at college.

Jeff Bezos' mother Jackie Bezos died Aug. 14 at age 78 following a battle with dementia, weeks after the Amazon founder and his wife Lauren Sánchez Bezos got married in Venice, Italy.