siblings of Mark IV

half siblings paternal

stallion Mostly Sunny (Quarter Horse, 1976, from Sonny Dee Bar)

Mostly Sunny

horse Sonny Dee Jack (Paint Horse, 1980, from Sonny Dee Bar)

Sonny Dee Jack

horse Sonnys Super Star (Quarter Horse, 1974, from Sonny Dee Bar)

Sonnys Super Star

broodmare Nellie Dee Bar (Quarter Horse,  , from Sonny Dee Bar)

Nellie Dee Bar