by WENN
The musician's daughter, Leah Wood, and her husband Jack MACDonald welcomed a little brother for their daughter Maggie, who turns five on Wednesday (28May14).
Sharing the news with fans on Twitter.com, the rock veteran writes, "Congratulations to my daughter @MsLeahWood and Jack & Maggie ~ Baby 'Otis Sonny David MACDonald' was born today!"
Leah is Ronnie's daughter from his marriage to Jo Wood; she has been married to financier MACDonald since 2008.