[conversation] A : 진아 씨, 이분은 누구세요? B : 우리 아버지세요. A : 아버지는 무슨 일을 하세요? B : 은행에서 일하세요. A : 이 사람은 누구예요? B : 제 동생이에요. A : 동생은 뭘 해요? B : 학생이에요. A : Jina, who is this? B : My father. A : What does he do for a living? B : He works at a bank. A : Who is this? B : My younger brother. A : What does he do? B : He is a student. [vocabulary] 할아버지 grandfather 할머니 grandmother 아버지 father 어머니 mother 형 elder brother (from a male perspective) 누나 elder sister (from a male perspective) 오빠 elder brother (from a female perspective) 언니 elder sister (from a female perspective) 남동생 younger brother 여동생 younger sister 동생 younger brother or sister 가족 family 이분 this person (honorific) 저분 that person (honorific) [grammar] N의 N When expressing possessive case, '의' is added to posessor, N. Also note that '의' is often omitted. N(이)세요 -(이)세요 is a combination of -이에요/예요 and -(으)시-, which shows respect towards the subject. nouns ending with a vowel + -세요 nouns ending with a consonant + -이세요 무슨 N 무슨 is used when asking someone to choose and answer from a pool of options.