the now 91-year-old mondavi sitting with his 60-year-old younger brother peter.heir long publicized family feud kept them apart. they now say it's resolved. for more than 20 years the two brothers made wine together at the winery until 1965 when disparked business style sent the siblings on their separate ways. >> i'm on the conservative side. but despite different from being the aggressive promoter type. >> reporter: so peter stated crew his brother started mondavi winery. the brothers didn't see each other for a long time. >> we're in casual speaking terms. he had his own business, we had our own business. >> reporter: but recently the brothers decided enough was enough. the hatchet needed burying. they came together for the napa auction. >>> and in 2010 his family put his home up for sale. the price tag, $25 million. but when no one bought it at that price they decided to auction off the house instead. and deborah villalon got this up close look before that auction in 2011. >> the man credited with bringing napa wines to the world brought himself home each nig