Serching for relatives after Haakon Rokke and Helen Margareth Roland (born 8 JUL 1904 - in Minnesota). It should be one living children (female) after the parents.
Can you provide any more details about Haakon and Helen? Any dates and locations you have for their births and marriage, as well as information about their parents and children could be helpful.
Also, is Roland Helen's maiden name or was that Haakon's name?