They were the first couple buried in the cave (and the first couple).
Who were Adam and Chava?
The Midrash identifies him as the person Avraham sent on this mission for yitzchak.
Who was Eliezer?
He was Rivka's brother, and he had bad motives in how he treated Eliezer.
Who was Lavan?
The mother of Midyan, whom Avraham married in his later years.
Who was Keturah?
Eliezer deep down wanted Yitzchak to marry her instead.
Who was Eliezer's daughter?
Avraham bought the cave from him for an exorbitant amount of money.
Who was Ephron HaChiti?
This was the act Rivka was expected to perform to show she was to be Yitzchak's bride.
What is offering to give water for the camels to drink?
The Midrash says he died trying to poison Eliezer.
Who was Besuel?
That is how many years Avraham lived.
What is 175?
He was not allowed to leave the Land of Canaan all his life.
Who was Yitzchak?
Sarah died in this City. Today, you can visit her grave there.
What is Kiryas Arbah?
Alternative,
What is Chevron?
He is not referred to by name anywhere in this week's parshah.
Who was Eliezer?
She raised Rivka as a child, and went with her to Canaan (later she also traveled with Yaakov).
Who was Rivka's nameless nurse?
The Midrash says Keturah was her other name.
Who was Hagar?
In this merit Esther ruled 127 provinces after marrying Achashverosh.
What was Sarah's reward for not wasting a single minute of her life?
According to Rashi, this word signifies that the cave had two stories.
What does the word מכפלה mean?
She was Sarah's sister and Rivka's grandmother.
Who was Milkah?
Rivka's relationship to Avraham.
What is a daughter-in-law (through Yitzchak)?
Or
What is a great niece (through Nachor, his brother?
or
What is a great great niece (through Sarah's sister Milkah, daughter of Haran, Avraham's other brother)?
These were the only sons of Avraham to attend his funeral.
Who were Yitzchak and Yishmael?
They were three miracles that occured for Sarah, ceased upon her death, and only resumed when Rivka arrived.
What do the following have in common: candles remaining lit, challah staying fresh, and the cloud of the schechinah resting on the tent?
Avraham.
Who arranged the funeral of Sarah and eulogized her?
The reason Eliezer changes many details in his recounting of the events to Rivka's family.
What is Emphasis on you have no choice?
or, What did he do to portray himself differently?
Rivka.
Who did a miracle happen for at the well?
His death is recorded in this week's Parshah even though he was alive when Yaakov and Eisav were born.
Who was Avraham?
OR
Who was Yishmael?
Who was Nimrod?