Final answer:
Brent Rivera has three siblings: one brother named Brice Rivera and two sisters named Lexi and Blake Rivera.
Step-by-step explanation:
Brent Rivera is a well-known Internet personality with a significant presence across various social media platforms. When asked about Brent Rivera's family, particularly, how many siblings he has, it is known that he has three siblings. He has one brother, Brice Rivera, and two sisters, Lexi Rivera and Blake Rivera.
Brent Rivera has three siblings: one brother named Brice and two sisters named Lexi and Blake. It's important to note that information about public figures such as family size can often be found on reputable biographical sources or their personal social media accounts.
However, it is always good practice to respect the privacy and boundaries of any individual when discussing their personal life.