List of German monarchs
Hohenstaufen and Welf
Table:
Image

Name

House

King

Emperor

Ended

Notes

Conrad III
(Konrad III.)

Hohenstaufen

7 March 1138

—

15 February 1152

Grandson of Henry IV (through his mother);
Previously Rival King to Lothair III 1127–1135

Henry Berengar
(Heinrich (VI.))

Hohenstaufen

30 March 1147

—

August? 1150

Son of Conrad III;
King of Germany under his father 1147–1150

Frederick I Barbarossa
(Friedrich I. Barbarossa)

Hohenstaufen

4 March 1152

18 June 1155

10 June 1190

Nephew of Conrad III

Henry VI
(Heinrich VI.)

Hohenstaufen

15 August 1169

14 April 1191

28 September 1197

Son of Frederick I;
King of Germany under his father 1169–1190

Frederick II
(Friedrich II.)

Hohenstaufen

1197

—

1197

Son of Henry VI;
King of Germany under his father, 1196

Philip of Swabia
(Philipp von Schwaben)

Hohenstaufen

6 March 1198

—

21 August 1208

Son of Frederick I; rival king to Otto IV

File:OttoIVgb.jpg

Otto IV
(Otto IV. von Braunschweig)

Welf

29 March 1198

4 October 1209

5 July 1215

Rival king to Philip of Swabia; later opposed by Frederick II; deposed, 1215; died 19 May 1218

Frederick II
(Friedrich II.)

Hohenstaufen

5 December 1212

22 November 1220

26 December 1250

Son of Henry VI;
Rival king to Otto IV until 5 July 1215

Henry
(Heinrich (VII.))

Hohenstaufen

23 April 1220

—

15 August 1235

Son of Frederick II;
King of Germany under his father, 1220–1235

Conrad IV
(Konrad IV.)

Hohenstaufen

May 1237

—

1 May 1254

Son of Frederick II;
King of Germany under his father, 1237–1250

Having looked at the tabular data covering 'List of German monarchs', section 'Hohenstaufen and Welf', give a one-line statement limited to the highlighted cells and return it as JSON: {"answer": "YOUR ANSWER"}.