Gemma di Capua

Not sourced daughter of Landolf II-IV "the Red" prince of Capua & Benevento but her husband's wiki mentions her of Capua and princess.

..is she the same Gemma di Capua ? (here now stepsister)
but so with 2 different husbands? [mathematically not impossible scenario]

-http://fmg.ac/Projects/MedLands/SOUTHERN%20ITALY,%20PRE-NORMAN.htm#...

  b)         GISULF ([930]-[Nov/Dec] 977).   ... ... 

m GEMMA, daughter of ---. "Gisolfus et Gemma vir et uxor et Paldolfus optatus filius noster…Langobardorum gentis principibus" granted property in Salerno to "Nicole magistri filius Sergi" by charter dated 974[725]. A charter dated Nov 977 refers to the 40th year of "Gisolfi…principis" and the 4th year of "domne gemme uxoris eius et domni Paldofi optato eorum filio"[726]. A charter dated Dec 977 refers to the 4th year of "domne gemme et domni Paldofi optato filio eius…principis"[727]. "Otto…imperator augustus" confirmed privileges to the church of Salerno which had been granted by "Gisulpus princeps cum uxore sua Gemma", by charter dated 31 Jan 983[728].