Original sentence: They derived their name 'Jaswal' or 'Jasial' from the Jaswan Dun of the Siwalik foothills of the present day Indian states of Himachal Pradesh and Punjab
Edited sentence: They derive their name 'Jaswal' or 'Jasial' from (or give their name to) the Jaswan Dun of the Siwalik foothills of the present day Indian states of Himachal Pradesh and Punjab