( CNN ) Justin Timberlake and Jessica Biel , welcome to parenthood . The celebrity couple announced the arrival of their son , Silas Randall Timberlake , in statements to People . `` Silas was the middle name of Timberlake 's maternal grandfather Bill Bomar , who died in 2012 , while Randall is the musician 's own middle name , as well as his father 's first , '' People reports . The couple announced the pregnancy in January , with an Instagram post . It is the first baby for both .
Timberlake and Biel welcome son Silas Randall Timberlake . The couple announced the pregnancy in 2012 .