According to Dailymail.co.uk, Serena had previously planned to trademark the name Aneres to launch for a clothing line but later changed her plans.
Serena won the 2017 Australian Open final over Venus while about eight weeks pregnant, and from then on was inactive in singles competition until her opener at Indian Wells.
Here, Williams is pictured during the BNP Paribas Open on March 10 in Indian Wells, California. In between giving birth, getting married, fielding the odd set of billboards dedicated to her greatness, and her regular schedule as one of the greatest athletes of all time, Williams just staked her claim in the beauty world.
"It's definitely not easy".
Below are some interesting details pertaining to Venus vs Serena XXIX.More news: Omerta about how state-sponsored terrorism manipulates young minds: Hansal Mehta
And when Venus, accompanied by her father Richard, took her seat to watch her sister play Kim Clijsters in the final two days later, the atmosphere turned sour.
"Obviously, I wish it was anybody else in the draw, literally anybody, but that's OK", Serena said. "Great way to come back".
The 29th professional contest between the pair will take place in the first match of Monday's night session.
Those numbers make sense when one considers grand slam wins - Serena has 23 compared to Venus' seven.
Venus is 5-4 against Serena when they meet before the semi-finals.More news: How to Find Bike Sharing Stations with Apple Maps
Venus and Serena are scheduled to face each other after 2 p.m. ET on Monday, live on the Tennis Channel and streaming online at WatchESPN.
In the men's section, Spanish veteran Fernando Verdasco used his powerful serve to upset third seed Grigor Dimitrov 7-6 (4) 4-6 6-3 while Roger Federer's tournament debut was hampered by rain.
Serena, 36 and vying to become the first woman to win three Indian Wells titles, clinched the victory against Bertens on her second match point when Bertens blasted a forehand wide.
The Williams family believed their treatment was racially motivated. "You know, we can always stay in the tournament longer if the both of us are in the tournament", Serena said.More news: Kid Rock to Be Inducted Into WWE Hall of Fame