Tell me why my case isn’t a slam dunk - stag 15. (Kind of a repost with clearer details)

great-grandfather

• born in 1892 in Austria-Hungary/Sudetenland. A German-speaking Jew in German speaking town
• Married in 1919 in Czechoslovakia/Sudetenland
• Fled to Prague in 1938 when Germany took Sudetenland
• Emigrated 1939 to Southern Africa country 
• 1940 name published in Reichsanzeiger as all assets, rights and claims… hereby confiscated on the basis of §§ 1, 3 and 4 of the ordinance regarding the seizure of anti-people and anti-state assets in the Sudeten-German territories of May 12, 1939
• 1943 name published in Reichsanzeiger •Pursuant to § 6 of the Decree on the Loss of Protectorate Citizenship of November 2, 1942 — RGBl. I p. 637 — I hereby establish that the conditions for the forfeiture of assets according to § 3 of this decree are present in the case of the Jews listed below:
• naturalized in 1949 to new country

Grandmother

• born in 1921 in Czechoslovakia/Sudetenland
• Traveling when Germany took Sudetenland in 1938 
• Czech refugee in England until immigrating to meet dad in southern African country in 1940
• married in 1941 in Southern Africa to non-German

Parent

• born in 1943 in Southern Africa

Parent

• born in ‘70s in USA

any advice or thoughts welcome. thanks!