Romanos had several siblings: Basil Argyros, who served as general and governor under Basil II (r. 976–1025); Leo, who served under Basil and was killed in Italy in 1017; Pulcheria Argyropoulina, who married the magistros Basil Skleros; a sister who married Constantine Karantenos, who served as doux of Antioch under Romanos; and Maria Argyropoulina, who married Giovanni Orseolo, son of Doge Pietro II Orseolo.
