They are not related by blood; they marry one another.
Ojiugo is beat by Okonkwo for failing to prepare meals for Okonkwo and her children.
Okonkwo's third wife has many children including Nkechi. The other children are not strictly named or not directly attributed to her.
Ojiugo is a character in Chinua Achebe's novel "Things Fall Apart." She is Okonkwo's youngest wife and plays a significant role in the story as she represents the changing roles of women in Igbo society during the colonial era.
Okonkwo waits for his afternoon meal from Ojuigo but it never comes. She went to get her hair plaited at her friend's house and forgot to return early enough to cook the meal. The first wife ends up feeding her children. Okonkwo beats Ojiugo for her negligence.
Okonkwo breaks the sacred Peace of Ani, also known as the Week of Peace, by beating Ojiugo, his third wife. He is forced to sacrifice to the goddess and repent. His neighbours look down upon Okonkwo for the sacrilege, and also for not being outwardly repentant, as they think he is not genuinely repenting.
She tries to minimize Ojiugo's thoughtlessness. While not entirely clear, her reasons are possibly a sister spirit with the other wife, and a generalized fear of Okonkwo's anger. She is never seen to enjoy the suffering of others in the book.
Okonkwo beat his third wife, Ojiugo, during the week of peace for her negligence in failing to prepare meals for either himself or her children.
Okonkwo broke the Week of Peace, a sacred thing. Ojiugo merely was negligent in her duties.
Okonkwo has anger problems and takes it out on his spouses. Okonkwo's wife Ojiugo forgets to get Okonkwo and her children their meals, as she went to get her hair plaited at her friend's house. The first wife ends up feeding her children. Okonkwo beats Ojiugo for her negligence. Unfortunately, this beating violates the sacred Week of Peace. During the New Yam Festival, Okonkwo gets restless and angry, and makes up an excuse to beat his second wife.
If speaking about after his death, his 3 wives survive him. He has as at least 7 sons and 4 daughters who also survive him. The Cat survives wrestling with Okonkwo, but is thrown. Ekwefi survives getting shot at by Okonkwo. Ojiugo survives getting beat up by Okonkwo during the week of peace. Nwoye survives getting choked by Okonkwo, and coverts, changing his name to Isaac.
Okonkwo commits the crime of beating his wife, Ojiugo, during the Week of Peace by violating the rules of the sacred week. This action angers the gods and disrupts the peace and sanctity of the community.
Okonkwo beat his wife during the week of peace, the one week of the year in which no violence was to be committed. As this week of peace was a tribute to the gods, this was considered sacrilege and an offense to the gods.