CREATE TABLE table_68309 ("Name" TEXT, "Birth" TEXT, "Marriage" TEXT, "Became Consort" TEXT, "Ceased to be Consort" TEXT, "Spouse" TEXT)

Name the marriagefor ceased to be consort of 29 september 1898
SELECT "Marriage" FROM table_68309 WHERE "Ceased to be Consort" = '29 september 1898'
SELECT "Marriage" FROM "table_68309" WHERE "Ceased to be Consort" = '29 september 1898'