for this purpose you can use SNOMED concepts
descendants of 302148006 "Legal, financial, employment and socioeconomic history detail"
to get all the Socioeconomic concepts
descendants of 224083004 "Marital or partnership status" to get Marital status concepts
descendants of 297289008 "World languages" to get language concepts.
note: there are concept_codes menioned
@Asha_Mahesh, feel free to ask if you have any questions