ཧོ་འོ་ ཐག་~རིང་གི་ ཨ་~ཇོ ། རེ་~སྒུག་~གི་ ལོ་~ཟླ།
So we could try: "He glared at his brother, at which his brother told him to leave.," and then: "He glared at his brother, in response to which he told him to leave."
Family, Obligation, Conflict