Margaret Eliza Hogg, daughter of Robert and Eliza Hogg, was born was born August 30, 1877 in Cherry Township, Butler County, Pennsylvania.
Robert Ray Johnston, son of William and Jane Johnston, was born in April, 1876, in Pennsylvania.
Robert and Margaret married and had the following children:
| Harry Ottis Johnston | Born April 1, 1902. Harry married Alice Kelly about 1926. |
| Elmira Jane Johnston | Born January 19, 1904. |
| James Wilbert Johnston | Born October 31, 1905. |
| Baby Boy Johnston | Born in 1907. Died November 25, 1907 |
| Robert William Johnston | Born February 13, 1909. |
| Carl Elliott Johnston | Born January 25, 1911. Carl married Ella Wise. |
| Florence Luella Johnston | Born January 9, 1913. Florence married Herman Ward. |
| John Alexander Johnston | Born June 25, 1916. |
Robert and Margaret lived in Mercer Township, Butler County, Pennsylvania, where they farmed. Robert died in 1994. Margaret died May 1, 1956. They both died in Pennsylvania.