Where we live in NL
dijkstras (de ~)
dijk-stras (de ~ (m.) ): Plural for Dijkstra

to address a group/family/flock named or called dijkstra

CZ: dijk-stra (de ~ (m.) -s): familly name, often misspelled as dextru
UK: dijk-stra (de ~ (m.) -s): familly name, Pronounced 'dike-straaah (yes DIJK means Dike in dutch ... does not translate both ways)