Table:
0
A
B
C
D
E
F
G
H
1
Name
Father
Birth
Marriage
Became Duchess
Ceased to be Duchess
Death
Spouse
2
Charlotte d'Orléans
Louis, Duke of Longueville (Orléans)
1 November 1512
8 September 1549
8 September 1549
25 November 1533
8 September 1549
Philippe
3
Anna d'Este
Ercole II, Duke of Ferrara ( Este )
16 November 1531
29 April 1566
29 April 1566
15 June 1585
15 May 1607
Jacques
4
Anne of Lorraine
Charles, Duke of Aumale ( Lorraine )
1600
18 April 1618
18 April 1618
10 July 1632
10 February 1638
Henri I
5
Élisabeth de Bourbon
César, Duke of Vendôme ( Bourbon )
August 1614
11 July 1643
11 July 1643
30 July 1652
19 May 1664
Charles Amadeus
6
Marie d'Orléans
Henri II, Duke of Longueville (Orléans)
5 March 1625
22 May 1657
22 May 1657
14 January 1659
16 June 1707
Henri II
7
Name
Father
Birth
Marriage
Became Duchess
Ceased to be Duchess
Death
Spouse

Questions and formulas:
Question: When was the duchess, who was married on 11 july 1643, born?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,D1="11 july 1643"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H7,D2:D7="11 july 1643"),3))
Level: medium
Question: When was anne of lorraine born?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,A1="anne of lorraine"),3))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H7,A2:A7="anne of lorraine"),3))
Level: medium
Question: When did the duchess, who was married to philippe, die?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,H1="philippe"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H7,H2:H7="philippe"),7))
Level: medium
Question: When did the woman, who was married 22 may 1657, cease to be the duchess?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:H1,D1="22 may 1657"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:H7,D2:D7="22 may 1657"),6))
Level: medium