See also

Arthur LAWSON-JOHNSTON's other family: with Sarah Louise HEARNE ( - )
Arthur LAWSON-JOHNSTON's parents: Ian St John LAWSON-JOHNSTON (1905-1996) and Barbara ANSTRUTHER-GOUGH-CALTHORPE (1911-2006)
Arthur LAWSON-JOHNSTON's brother: George Andrew LAWSON-JOHNSTON (c. 1944-2006)

Family of Arthur Charles St John LAWSON-JOHNSTON and Silvia Maria ROIGT

Husband:
Arthur Charles St John LAWSON-JOHNSTON (1933-2015)
Wife:
Silvia Maria ROIGT (c. 1940-2025)
Status:
Divorced
Marriage:
6 Aug 1959¹ ²
Divorce:
1970¹

Husband: Arthur Charles St John LAWSON-JOHNSTON

Name:
Arthur Charles St John LAWSON-JOHNSTON
Sex:
Male
Father:
Ian St John LAWSON-JOHNSTON (1905-1996)
Mother:
Barbara ANSTRUTHER-GOUGH-CALTHORPE (1911-2006)
Birth:
13 Jan 1933¹
Death:
2 Oct 2015 (age 82)¹

Wife: Silvia Maria ROIGT

Name:
Silvia Maria ROIGT
Sex:
Female
Father:
-
Mother:
-
Birth:
c. 1940
Buenos Aries, Argentina¹
Death:
16 Oct 2025 (age 84-85)²

Sources

1.: wikipedia.org.

2.: Peerage News (Michael Rhodes Blog/RSS feed). Cit. Date: 31 October 2025.