Analysis of information sources in references of the Wikipedia article "다니엘 데이 루이스" in Korean language version.
Michael Balcon's family were Latvian refugees from Riga who had come to England in the second half of the 19th century. The family of his wife, Aileen Leatherman, whom he married in 1924, came from Poland.
I know as an Englishman it's absolutely none of my business.