Herman Trebon - line 59

William Trebon Jr. - line 73

Source - Year: 1920; Census Place: Perry, Buchanan, Iowa; Roll: T625_480; Page: 3B; Enumeration District: 71; Image: 38.

William Trebon - line 61

Herman Trebon - line 65

Source - Year: 1930; Census Place: Perry, Buchanan, Iowa; Roll: 644; Page: 3B; Enumeration District: 0024; Image: 762.0; FHL microfilm: 2340379