. . "Frits van Erpers Royaards" . "F."@en . . "F van. Erpers Royaards" . "Frits van Erpers Roijaards"@nl-NL . "Frits van. Erpers Roijaards" . "Frits Van Erpers Royaards" . . "F. van" . . "Erpers Roijaards" . "van. Erpers" . "Frits" . "Roijaards" . "1900" . "Frits van Erpers Royaards"@en . "F" . "van Erpers"@en . "F. van Erpers Roijaards" . "Royaards" . "Erpers Royaards"@fr-FR . "F. Van Erpers Royaards" . "Frits van" . "Royaards" . "F. van. Erpers Royaards" . . "Frits van. Erpers Royaards" . "F. van Erpers Royaards" . . "Erpers Royaards"@en . "Van Erpers Royaards" . "F. van Erpers Royaards"@en . .