The people closest to you — parents, siblings, grandparents, and the rest.

• die Muttermotherfeminine; informal: Mama
• der Vaterfathermasculine; informal: Papa
• die Schwestersisterfeminine
• der Bruderbrothermasculine
• die Großmuttergrandmotherfeminine; informal: Oma
• der Großvatergrandfathermasculine; informal: Opa
• die Tochterdaughterfeminine
• der Sohnsonmasculine
• die Tanteauntfeminine; covers both maternal and paternal aunt
• der Onkelunclemasculine; covers both maternal and paternal uncle
• die Familiefamilyfeminine
• die Elternparentsplural only (no singular form in this sense)
• die Geschwistersiblingsplural only; covers brothers and sisters together regardless of age
• die Cousinefemale cousinfeminine; also spelled Kusine; German distinguishes cousin by gender
• der Cousinmale cousinmasculine; pronounced French-style (koo-ZEN); also Vetter (older/regional)
• das Babybabyneuter; loanword, plural: Babys
• der Mannhusbandmasculine; literally 'man', means 'husband' in context (mein Mann = my husband)
• die Frauwifefeminine; literally 'woman', means 'wife' in context (meine Frau = my wife)
• die Großelterngrandparentsplural only; combines Großmutter + Großvater
• das Kindchildneuter; plural: Kinder
• die Enkelingranddaughterfeminine
• der Enkelgrandsonmasculine; can also mean 'grandchild' generally