parent (n)
/ˈpær.rənt/

a mother or father

marry (v)
/ˈmær.i/

to become the legally accepted husband or wife of someone in an official

relative (n)
/ˈrel·ə·t̬ɪv/

a member of your family

mother-in-law (n)
/ˈmʌð·ərz·ɪnˌlɔ/

the mother of your husband or wife

father-in-law (n)
 /ˈfɑð·ərz·ɪnˌlɔ/

the father of your husband or wife

sister-in-law (n)
/ˈsɪs·tərz·ɪnˌlɔ/

your brother's wife

family (n)
/ˈfæm·li/

a social group of parents, children, and sometimes grandparents, uncles, aunts, and others who are related

nuclear family (n)
/ˈnu·kli·ər ˈfæm·li/

a social unit of two parents and their children

extended family (n)
/ɪkˈsten.dɪd ˈfæm·li/

a family unit that includes grandmothers, grandfathers, aunts, and uncles, etc. in addition to parents and children

one-parent family (n)
/ˌwʌn.per.əntˈfæm.əl.i/

a family that includes either a mother or a father but not both

adopt (v)
/əˈdɑpt/

to take another person’s child legally into your own family to raise as your own child

children (n)
/ˈtʃɪl·drən/

someone's son or daughter of any age

take care of (phrase)
/teɪk.keər.əv/

to do the necessary things for someone who needs help or protection

find (v)
/faɪnd/

to get back something/somebody that was lost after searching for it/them

whole (a)
/hoʊl/

complete or not divided

family tree (n)
/ˈfæm·li ˈtri/

a drawing that shows all the members of a family, usually over a long period of time, and how they are related to each other

trouble (n)
/ˈtrʌb·əl/

difficulties or problems

anniversary (n)
/ˌæn.ɪˈvɜː.sər.i/ 

the day on which an important event happened in a previous year

hope (v)
/hoʊp/

to express the feeling or wish that something desired will happen

research (n)
/rɪˈsɜːtʃ/

a careful study of a subject, especially in order to discover new facts or information about it