Most expensive divorce? Google it!!!

California--

Google co-founder Sergey Brin and his former wife Anne Wojcicki have officially called it quits by quietly divorcing last month.

It comes two-and-a-half years after Brin's relationship with Google employee Amanda Rosenberg was revealed.

The same day it was announced that Brin and Wojcicki had split. The couple had been separated for a few months before their separation was made public, and it has been suggested that the relationship with Rosenberg began after the separation. 

Details of the very private pair's divorce are sparse, including how much of Brin's $30 billion fortune Wojcicki walked away with in the settlement.

The San Francisco Chronicle reports that the former couple, who are both 41, had a pre-nuptial agreement in place when they married in 2007, and that Wojcicki will be receiving an 'undisclosed amount of money'.

They have two children - a son born in December 2008 and a daughter born in 2011.

Wojcicki is founder of the biotechnology company 23andMe, which has made her wealthy in her own right. 

A report from August 2013 in All Things D first revealed Brin and Wojcicki had split and said they had been living apart for a number of months.

It is not clear when Brin started seeing Rosenberg, who was identified as his new love the same day by Valleywag, the Silicon Valley offshoot of Gawker.