This structure, typical in conversation, can be used with nouns, verbs and adjectives to seek confirmation of what has been heard (e.g. a rumour, a plan):
I heard that it's N... is that true?: N + 이라면서요?
-- 경민씨, 오늘은 생일이라면서요?
-- 네, 감사합니다.
-- Gyeongmin, I heard that today is your birthday, right?
-- Yes, thanks.
I heard that it's V... is that true?: V +ㄴ/은/는다면서요
-- 다음주 수요일은 방학을 시작한다면서요?
-- 네. 학기가 일찍 끝낼 거예요.
-- Is it true that next Wednesday is the start of the holidays?
-- Yes. The semester will finish early.
-- 철수씨, 여자친구와 결혼한다면서요?
-- 아니요, 결혼 신청도 안 해요!
-- Cheolsu, is it true that you and your girlfriend are getting married?
-- No, I haven't even proposed!
-- 다음 달에 서울로 이사가는다면서요?
-- 네, 맞아요.
-- 와! 부러워요!
-- I heard that you are moving to Seoul next month. Is that right?
-- Yes, that's right.
-- Wow! I'm so jealous!
-- 대통령 박근혜를 탄핵한다면서요?
-- 네. 아마 감옥에 보내질 거에요!
-- Is it true that President Park is being impeached?
-- Yes. Maybe she'll go to prison!
I heard that it's A... it that true?: A + 다면서요?
-- 철현씨, 몸이 너무 아프다면서요?
-- 네, 병원에 입원했어요.
-- Cheolhyeon, is it true that you're really sick?
-- Yeah, I was admitted to hospital.
-- 두바이에는 생활비가 너무 비싸다면서요?
-- 네, 근데 좋은 생활방식이에요.
-- Is it true that the living costs in Dubai are very high?
-- Yes, but it's a great lifestyle.